diff --git a/server/errors.go b/server/errors.go
index 2b197d14..3f74c434 100644
--- a/server/errors.go
+++ b/server/errors.go
@@ -57,6 +57,7 @@ var (
 	errHTTPBadRequestNoTokenProvided                 = &errHTTP{40023, http.StatusBadRequest, "invalid request: no token provided", ""}
 	errHTTPBadRequestJSONInvalid                     = &errHTTP{40024, http.StatusBadRequest, "invalid request: request body must be valid JSON", ""}
 	errHTTPBadRequestPermissionInvalid               = &errHTTP{40025, http.StatusBadRequest, "invalid request: incorrect permission string", ""}
+	errHTTPBadRequestMakesNoSenseForAdmin            = &errHTTP{40026, http.StatusBadRequest, "invalid request: this makes no sense for admins", ""}
 	errHTTPNotFound                                  = &errHTTP{40401, http.StatusNotFound, "page not found", ""}
 	errHTTPUnauthorized                              = &errHTTP{40101, http.StatusUnauthorized, "unauthorized", "https://ntfy.sh/docs/publish/#authentication"}
 	errHTTPForbidden                                 = &errHTTP{40301, http.StatusForbidden, "forbidden", "https://ntfy.sh/docs/publish/#authentication"}
diff --git a/server/file_cache.go b/server/file_cache.go
index ebaeb76a..2659bea9 100644
--- a/server/file_cache.go
+++ b/server/file_cache.go
@@ -3,13 +3,13 @@ package server
 import (
 	"errors"
 	"fmt"
+	"heckel.io/ntfy/log"
 	"heckel.io/ntfy/util"
 	"io"
 	"os"
 	"path/filepath"
 	"regexp"
 	"sync"
-	"time"
 )
 
 var (
@@ -75,8 +75,11 @@ func (c *fileCache) Remove(ids ...string) error {
 		if !fileIDRegex.MatchString(id) {
 			return errInvalidFileID
 		}
+		log.Debug("File Cache: Deleting attachment %s", id)
 		file := filepath.Join(c.dir, id)
-		_ = os.Remove(file) // Best effort delete
+		if err := os.Remove(file); err != nil {
+			log.Debug("File Cache: Error deleting attachment %s: %s", id, err.Error())
+		}
 	}
 	size, err := dirSize(c.dir)
 	if err != nil {
@@ -88,25 +91,6 @@ func (c *fileCache) Remove(ids ...string) error {
 	return nil
 }
 
-// Expired returns a list of file IDs for expired files
-func (c *fileCache) Expired(olderThan time.Time) ([]string, error) {
-	entries, err := os.ReadDir(c.dir)
-	if err != nil {
-		return nil, err
-	}
-	var ids []string
-	for _, e := range entries {
-		info, err := e.Info()
-		if err != nil {
-			continue
-		}
-		if info.ModTime().Before(olderThan) && fileIDRegex.MatchString(e.Name()) {
-			ids = append(ids, e.Name())
-		}
-	}
-	return ids, nil
-}
-
 func (c *fileCache) Size() int64 {
 	c.mu.Lock()
 	defer c.mu.Unlock()
diff --git a/server/file_cache_test.go b/server/file_cache_test.go
index cc010fa1..8f267a73 100644
--- a/server/file_cache_test.go
+++ b/server/file_cache_test.go
@@ -8,7 +8,6 @@ import (
 	"os"
 	"strings"
 	"testing"
-	"time"
 )
 
 var (
@@ -63,29 +62,6 @@ func TestFileCache_Write_FailedAdditionalLimiter(t *testing.T) {
 	require.NoFileExists(t, dir+"/abcdefghijkl")
 }
 
-func TestFileCache_RemoveExpired(t *testing.T) {
-	dir, c := newTestFileCache(t)
-	_, err := c.Write("abcdefghijkl", bytes.NewReader(make([]byte, 1001)))
-	require.Nil(t, err)
-	_, err = c.Write("notdeleted12", bytes.NewReader(make([]byte, 1001)))
-	require.Nil(t, err)
-
-	modTime := time.Now().Add(-1 * 4 * time.Hour)
-	require.Nil(t, os.Chtimes(dir+"/abcdefghijkl", modTime, modTime))
-
-	olderThan := time.Now().Add(-1 * 3 * time.Hour)
-	ids, err := c.Expired(olderThan)
-	require.Nil(t, err)
-	require.Equal(t, []string{"abcdefghijkl"}, ids)
-	require.Nil(t, c.Remove(ids...))
-	require.NoFileExists(t, dir+"/abcdefghijkl")
-	require.FileExists(t, dir+"/notdeleted12")
-
-	ids, err = c.Expired(olderThan)
-	require.Nil(t, err)
-	require.Empty(t, ids)
-}
-
 func newTestFileCache(t *testing.T) (dir string, cache *fileCache) {
 	dir = t.TempDir()
 	cache, err := newFileCache(dir, 10*1024)
diff --git a/server/message_cache.go b/server/message_cache.go
index d2ab20d4..2e4b1f45 100644
--- a/server/message_cache.go
+++ b/server/message_cache.go
@@ -26,6 +26,7 @@ const (
 			id INTEGER PRIMARY KEY AUTOINCREMENT,
 			mid TEXT NOT NULL,
 			time INT NOT NULL,
+			expires INT NOT NULL,
 			topic TEXT NOT NULL,
 			message TEXT NOT NULL,
 			title TEXT NOT NULL,
@@ -39,6 +40,7 @@ const (
 			attachment_size INT NOT NULL,
 			attachment_expires INT NOT NULL,
 			attachment_url TEXT NOT NULL,
+			attachment_deleted INT NOT NULL,
 			sender TEXT NOT NULL,
 			user TEXT NOT NULL,
 			encoding TEXT NOT NULL,
@@ -47,48 +49,59 @@ const (
 		CREATE INDEX IF NOT EXISTS idx_mid ON messages (mid);
 		CREATE INDEX IF NOT EXISTS idx_time ON messages (time);
 		CREATE INDEX IF NOT EXISTS idx_topic ON messages (topic);
+		CREATE INDEX IF NOT EXISTS idx_expires ON messages (expires);
+		CREATE INDEX IF NOT EXISTS idx_attachment_expires ON messages (attachment_expires);
 		COMMIT;
 	`
 	insertMessageQuery = `
-		INSERT INTO messages (mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding, published)
-		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+		INSERT INTO messages (mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_deleted, sender, user, encoding, published)
+		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
 	`
-	pruneMessagesQuery           = `DELETE FROM messages WHERE time < ? AND published = 1`
+	deleteMessageQuery           = `DELETE FROM messages WHERE mid = ?`
 	selectRowIDFromMessageID     = `SELECT id FROM messages WHERE mid = ?` // Do not include topic, see #336 and TestServer_PollSinceID_MultipleTopics
 	selectMessagesSinceTimeQuery = `
-		SELECT mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
+		SELECT mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
 		FROM messages 
 		WHERE topic = ? AND time >= ? AND published = 1
 		ORDER BY time, id
 	`
 	selectMessagesSinceTimeIncludeScheduledQuery = `
-		SELECT mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
+		SELECT mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
 		FROM messages 
 		WHERE topic = ? AND time >= ?
 		ORDER BY time, id
 	`
 	selectMessagesSinceIDQuery = `
-		SELECT mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
+		SELECT mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
 		FROM messages 
 		WHERE topic = ? AND id > ? AND published = 1 
 		ORDER BY time, id
 	`
 	selectMessagesSinceIDIncludeScheduledQuery = `
-		SELECT mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
+		SELECT mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
 		FROM messages 
 		WHERE topic = ? AND (id > ? OR published = 0)
 		ORDER BY time, id
 	`
 	selectMessagesDueQuery = `
-		SELECT mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
+		SELECT mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
 		FROM messages 
 		WHERE time <= ? AND published = 0
 		ORDER BY time, id
 	`
-	updateMessagePublishedQuery        = `UPDATE messages SET published = 1 WHERE mid = ?`
-	selectMessagesCountQuery           = `SELECT COUNT(*) FROM messages`
-	selectMessageCountPerTopicQuery    = `SELECT topic, COUNT(*) FROM messages GROUP BY topic`
-	selectTopicsQuery                  = `SELECT topic FROM messages GROUP BY topic`
+	selectMessagesExpiredQuery = `
+		SELECT mid, time, expires, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, user, encoding
+		FROM messages 
+		WHERE expires <= ? AND published = 1
+		ORDER BY time, id
+	`
+	updateMessagePublishedQuery     = `UPDATE messages SET published = 1 WHERE mid = ?`
+	selectMessagesCountQuery        = `SELECT COUNT(*) FROM messages`
+	selectMessageCountPerTopicQuery = `SELECT topic, COUNT(*) FROM messages GROUP BY topic`
+	selectTopicsQuery               = `SELECT topic FROM messages GROUP BY topic`
+
+	updateAttachmentDeleted            = `UPDATE messages SET attachment_deleted = 1 WHERE mid = ?`
+	selectAttachmentsExpiredQuery      = `SELECT mid FROM messages WHERE attachment_expires <= ? AND attachment_deleted = 0`
 	selectAttachmentsSizeBySenderQuery = `SELECT IFNULL(SUM(attachment_size), 0) FROM messages WHERE sender = ? AND attachment_expires >= ?`
 	selectAttachmentsSizeByUserQuery   = `SELECT IFNULL(SUM(attachment_size), 0) FROM messages WHERE user = ? AND attachment_expires >= ?`
 )
@@ -197,6 +210,10 @@ const (
 	// 9 -> 10
 	migrate9To10AlterMessagesTableQuery = `
 		ALTER TABLE messages ADD COLUMN user TEXT NOT NULL DEFAULT('');
+		ALTER TABLE messages ADD COLUMN attachment_deleted INT NOT NULL DEFAULT('0');
+		ALTER TABLE messages ADD COLUMN expires INT NOT NULL DEFAULT('0');
+		CREATE INDEX IF NOT EXISTS idx_expires ON messages (expires);
+		CREATE INDEX IF NOT EXISTS idx_attachment_expires ON messages (attachment_expires);
 	`
 )
 
@@ -286,7 +303,7 @@ func (c *messageCache) addMessages(ms []*message) error {
 		published := m.Time <= time.Now().Unix()
 		tags := strings.Join(m.Tags, ",")
 		var attachmentName, attachmentType, attachmentURL string
-		var attachmentSize, attachmentExpires int64
+		var attachmentSize, attachmentExpires, attachmentDeleted int64
 		if m.Attachment != nil {
 			attachmentName = m.Attachment.Name
 			attachmentType = m.Attachment.Type
@@ -309,6 +326,7 @@ func (c *messageCache) addMessages(ms []*message) error {
 		_, err := stmt.Exec(
 			m.ID,
 			m.Time,
+			m.Expires,
 			m.Topic,
 			m.Message,
 			m.Title,
@@ -322,6 +340,7 @@ func (c *messageCache) addMessages(ms []*message) error {
 			attachmentSize,
 			attachmentExpires,
 			attachmentURL,
+			attachmentDeleted, // Always zero
 			sender,
 			m.User,
 			m.Encoding,
@@ -332,10 +351,10 @@ func (c *messageCache) addMessages(ms []*message) error {
 		}
 	}
 	if err := tx.Commit(); err != nil {
-		log.Error("Cache: Writing %d message(s) failed (took %v)", len(ms), time.Since(start))
+		log.Error("Message Cache: Writing %d message(s) failed (took %v)", len(ms), time.Since(start))
 		return err
 	}
-	log.Debug("Cache: Wrote %d message(s) in %v", len(ms), time.Since(start))
+	log.Debug("Message Cache: Wrote %d message(s) in %v", len(ms), time.Since(start))
 	return nil
 }
 
@@ -396,6 +415,14 @@ func (c *messageCache) MessagesDue() ([]*message, error) {
 	return readMessages(rows)
 }
 
+func (c *messageCache) MessagesExpired() ([]*message, error) {
+	rows, err := c.db.Query(selectMessagesExpiredQuery, time.Now().Unix())
+	if err != nil {
+		return nil, err
+	}
+	return readMessages(rows)
+}
+
 func (c *messageCache) MarkPublished(m *message) error {
 	_, err := c.db.Exec(updateMessagePublishedQuery, m.ID)
 	return err
@@ -441,13 +468,52 @@ func (c *messageCache) Topics() (map[string]*topic, error) {
 	return topics, nil
 }
 
-func (c *messageCache) Prune(olderThan time.Time) error {
-	start := time.Now()
-	if _, err := c.db.Exec(pruneMessagesQuery, olderThan.Unix()); err != nil {
-		log.Warn("Cache: Pruning failed (after %v): %s", time.Since(start), err.Error())
+func (c *messageCache) DeleteMessages(ids ...string) error {
+	tx, err := c.db.Begin()
+	if err != nil {
+		return err
 	}
-	log.Debug("Cache: Pruning successful (took %v)", time.Since(start))
-	return nil
+	defer tx.Rollback()
+	for _, id := range ids {
+		if _, err := tx.Exec(deleteMessageQuery, id); err != nil {
+			return err
+		}
+	}
+	return tx.Commit()
+}
+
+func (c *messageCache) AttachmentsExpired() ([]string, error) {
+	rows, err := c.db.Query(selectAttachmentsExpiredQuery, time.Now().Unix())
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	ids := make([]string, 0)
+	for rows.Next() {
+		var id string
+		if err := rows.Scan(&id); err != nil {
+			return nil, err
+		}
+		ids = append(ids, id)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+func (c *messageCache) MarkAttachmentsDeleted(ids []string) error {
+	tx, err := c.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+	for _, id := range ids {
+		if _, err := tx.Exec(updateAttachmentDeleted, id); err != nil {
+			return err
+		}
+	}
+	return tx.Commit()
 }
 
 func (c *messageCache) AttachmentBytesUsedBySender(sender string) (int64, error) {
@@ -486,7 +552,7 @@ func (c *messageCache) processMessageBatches() {
 	}
 	for messages := range c.queue.Dequeue() {
 		if err := c.addMessages(messages); err != nil {
-			log.Error("Cache: %s", err.Error())
+			log.Error("Message Cache: %s", err.Error())
 		}
 	}
 }
@@ -495,12 +561,13 @@ func readMessages(rows *sql.Rows) ([]*message, error) {
 	defer rows.Close()
 	messages := make([]*message, 0)
 	for rows.Next() {
-		var timestamp, attachmentSize, attachmentExpires int64
+		var timestamp, expires, attachmentSize, attachmentExpires int64
 		var priority int
 		var id, topic, msg, title, tagsStr, click, icon, actionsStr, attachmentName, attachmentType, attachmentURL, sender, user, encoding string
 		err := rows.Scan(
 			&id,
 			&timestamp,
+			&expires,
 			&topic,
 			&msg,
 			&title,
@@ -548,6 +615,7 @@ func readMessages(rows *sql.Rows) ([]*message, error) {
 		messages = append(messages, &message{
 			ID:         id,
 			Time:       timestamp,
+			Expires:    expires,
 			Event:      messageEvent,
 			Topic:      topic,
 			Message:    msg,
@@ -742,10 +810,19 @@ func migrateFrom8(db *sql.DB) error {
 
 func migrateFrom9(db *sql.DB) error {
 	log.Info("Migrating cache database schema: from 9 to 10")
-	if _, err := db.Exec(migrate9To10AlterMessagesTableQuery); err != nil {
+	tx, err := db.Begin()
+	if err != nil {
 		return err
 	}
-	if _, err := db.Exec(updateSchemaVersion, 10); err != nil {
+	defer tx.Rollback()
+	if _, err := tx.Exec(migrate9To10AlterMessagesTableQuery); err != nil {
+		return err
+	}
+	// FIXME add logic to set "expires" column
+	if _, err := tx.Exec(updateSchemaVersion, 10); err != nil {
+		return err
+	}
+	if err := tx.Commit(); err != nil {
 		return err
 	}
 	return nil // Update this when a new version is added
diff --git a/server/message_cache_test.go b/server/message_cache_test.go
index fc1f2e56..5d845921 100644
--- a/server/message_cache_test.go
+++ b/server/message_cache_test.go
@@ -247,26 +247,40 @@ func TestMemCache_Prune(t *testing.T) {
 }
 
 func testCachePrune(t *testing.T, c *messageCache) {
+	now := time.Now().Unix()
+
 	m1 := newDefaultMessage("mytopic", "my message")
-	m1.Time = 1
+	m1.Time = now - 10
+	m1.Expires = now - 5
 
 	m2 := newDefaultMessage("mytopic", "my other message")
-	m2.Time = 2
+	m2.Time = now - 5
+	m2.Expires = now + 5 // In the future
 
 	m3 := newDefaultMessage("another_topic", "and another one")
-	m3.Time = 1
+	m3.Time = now - 12
+	m3.Expires = now - 2
 
 	require.Nil(t, c.AddMessage(m1))
 	require.Nil(t, c.AddMessage(m2))
 	require.Nil(t, c.AddMessage(m3))
-	require.Nil(t, c.Prune(time.Unix(2, 0)))
 
 	counts, err := c.MessageCounts()
 	require.Nil(t, err)
-	require.Equal(t, 1, counts["mytopic"])
+	require.Equal(t, 2, counts["mytopic"])
+	require.Equal(t, 1, counts["another_topic"])
+
+	expiredMessages, err := c.MessagesExpired()
+	require.Nil(t, err)
+	ids := make([]string, 0)
+	for _, m := range expiredMessages {
+		ids = append(ids, m.ID)
+	}
+	require.Nil(t, c.DeleteMessages(ids...))
 
 	counts, err = c.MessageCounts()
 	require.Nil(t, err)
+	require.Equal(t, 1, counts["mytopic"])
 	require.Equal(t, 0, counts["another_topic"])
 
 	messages, err := c.Messages("mytopic", sinceAllMessages, false)
diff --git a/server/server.go b/server/server.go
index 2536be27..35123285 100644
--- a/server/server.go
+++ b/server/server.go
@@ -37,9 +37,6 @@ import (
 /*
 	TODO
 		limits & rate limiting:
-			message cache duration
-			Keep 10000 messages or keep X days?
-			Attachment expiration based on plan
 			login/account endpoints
 		plan:
 			weirdness with admin and "default" account
@@ -57,6 +54,8 @@ import (
 			- figure out what settings are "web" or "phone"
 		Tests:
 		- visitor with/without user
+		- plan-based message expiry
+		- plan-based attachment expiry
 		Refactor:
 		- rename TopicsLimit -> ReservationsLimit
 		- rename /access -> /reservation
@@ -544,6 +543,11 @@ func (s *Server) handlePublishWithoutResponse(r *http.Request, v *visitor) (*mes
 	if v.user != nil {
 		m.User = v.user.Name
 	}
+	if v.user != nil && v.user.Plan != nil {
+		m.Expires = time.Now().Unix() + v.user.Plan.MessagesExpiryDuration
+	} else {
+		m.Expires = time.Now().Add(s.config.CacheDuration).Unix()
+	}
 	if err := s.handlePublishBody(r, v, m, body, unifiedpush); err != nil {
 		return nil, err
 	}
@@ -815,7 +819,15 @@ func (s *Server) handleBodyAsTextMessage(m *message, body *util.PeekedReadCloser
 func (s *Server) handleBodyAsAttachment(r *http.Request, v *visitor, m *message, body *util.PeekedReadCloser) error {
 	if s.fileCache == nil || s.config.BaseURL == "" || s.config.AttachmentCacheDir == "" {
 		return errHTTPBadRequestAttachmentsDisallowed
-	} else if m.Time > time.Now().Add(s.config.AttachmentExpiryDuration).Unix() {
+	}
+	var attachmentExpiryDuration time.Duration
+	if v.user != nil && v.user.Plan != nil {
+		attachmentExpiryDuration = time.Duration(v.user.Plan.AttachmentExpiryDuration) * time.Second
+	} else {
+		attachmentExpiryDuration = s.config.AttachmentExpiryDuration
+	}
+	attachmentExpiry := time.Now().Add(attachmentExpiryDuration).Unix()
+	if m.Time > attachmentExpiry {
 		return errHTTPBadRequestAttachmentsExpiryBeforeDelivery
 	}
 	stats, err := v.Info()
@@ -834,7 +846,7 @@ func (s *Server) handleBodyAsAttachment(r *http.Request, v *visitor, m *message,
 	}
 	var ext string
 	m.Sender = v.ip // Important for attachment rate limiting
-	m.Attachment.Expires = time.Now().Add(s.config.AttachmentExpiryDuration).Unix()
+	m.Attachment.Expires = attachmentExpiry
 	m.Attachment.Type, ext = util.DetectContentType(body.PeekedBytes, m.Attachment.Name)
 	m.Attachment.URL = fmt.Sprintf("%s/file/%s%s", s.config.BaseURL, m.ID, ext)
 	if m.Attachment.Name == "" {
@@ -1224,26 +1236,40 @@ func (s *Server) execManager() {
 	}
 
 	// Delete expired attachments
-	if s.fileCache != nil && s.config.AttachmentExpiryDuration > 0 {
-		olderThan := time.Now().Add(-1 * s.config.AttachmentExpiryDuration)
-		ids, err := s.fileCache.Expired(olderThan)
+	if s.fileCache != nil {
+		ids, err := s.messageCache.AttachmentsExpired()
 		if err != nil {
 			log.Warn("Error retrieving expired attachments: %s", err.Error())
 		} else if len(ids) > 0 {
-			log.Debug("Manager: Deleting expired attachments: %v", ids)
 			if err := s.fileCache.Remove(ids...); err != nil {
 				log.Warn("Error deleting attachments: %s", err.Error())
 			}
+			if err := s.messageCache.MarkAttachmentsDeleted(ids); err != nil {
+				log.Warn("Error marking attachments deleted: %s", err.Error())
+			}
 		} else {
 			log.Debug("Manager: No expired attachments to delete")
 		}
 	}
 
-	// Prune message cache
-	olderThan := time.Now().Add(-1 * s.config.CacheDuration)
-	log.Debug("Manager: Pruning messages older than %s", olderThan.Format("2006-01-02 15:04:05"))
-	if err := s.messageCache.Prune(olderThan); err != nil {
-		log.Warn("Manager: Error pruning cache: %s", err.Error())
+	// DeleteMessages message cache
+	log.Debug("Manager: Pruning messages")
+	expiredMessages, err := s.messageCache.MessagesExpired()
+	if err != nil {
+		log.Warn("Manager: Error retrieving expired messages: %s", err.Error())
+	} else if len(expiredMessages) > 0 {
+		ids := make([]string, 0)
+		for _, m := range expiredMessages {
+			ids = append(ids, m.ID)
+		}
+		if err := s.fileCache.Remove(ids...); err != nil {
+			log.Warn("Manager: Error deleting attachments for expired messages: %s", err.Error())
+		}
+		if err := s.messageCache.DeleteMessages(ids...); err != nil {
+			log.Warn("Manager: Error marking attachments deleted: %s", err.Error())
+		}
+	} else {
+		log.Debug("Manager: No expired messages to delete")
 	}
 
 	// Message count per topic
diff --git a/server/server_account.go b/server/server_account.go
index c9499488..c174a66e 100644
--- a/server/server_account.go
+++ b/server/server_account.go
@@ -2,7 +2,6 @@ package server
 
 import (
 	"encoding/json"
-	"errors"
 	"heckel.io/ntfy/user"
 	"heckel.io/ntfy/util"
 	"net/http"
@@ -57,12 +56,14 @@ func (s *Server) handleAccountGet(w http.ResponseWriter, _ *http.Request, v *vis
 			AttachmentTotalSizeRemaining: stats.AttachmentTotalSizeRemaining,
 		},
 		Limits: &apiAccountLimits{
-			Basis:               stats.Basis,
-			Messages:            stats.MessagesLimit,
-			Emails:              stats.EmailsLimit,
-			Topics:              stats.TopicsLimit,
-			AttachmentTotalSize: stats.AttachmentTotalSizeLimit,
-			AttachmentFileSize:  stats.AttachmentFileSizeLimit,
+			Basis:                    stats.Basis,
+			Messages:                 stats.MessagesLimit,
+			MessagesExpiryDuration:   stats.MessagesExpiryDuration,
+			Emails:                   stats.EmailsLimit,
+			Topics:                   stats.TopicsLimit,
+			AttachmentTotalSize:      stats.AttachmentTotalSizeLimit,
+			AttachmentFileSize:       stats.AttachmentFileSizeLimit,
+			AttachmentExpiryDuration: stats.AttachmentExpiryDuration,
 		},
 	}
 	if v.user != nil {
@@ -325,6 +326,9 @@ func (s *Server) handleAccountSubscriptionDelete(w http.ResponseWriter, r *http.
 }
 
 func (s *Server) handleAccountAccessAdd(w http.ResponseWriter, r *http.Request, v *visitor) error {
+	if v.user != nil && v.user.Role == user.RoleAdmin {
+		return errHTTPBadRequestMakesNoSenseForAdmin
+	}
 	req, err := readJSONWithLimit[apiAccountAccessRequest](r.Body, jsonBodyBytesLimit)
 	if err != nil {
 		return err
@@ -337,7 +341,7 @@ func (s *Server) handleAccountAccessAdd(w http.ResponseWriter, r *http.Request,
 		return errHTTPBadRequestPermissionInvalid
 	}
 	if v.user.Plan == nil {
-		return errors.New("no plan") // FIXME there should always be a plan!
+		return errHTTPUnauthorized // FIXME there should always be a plan!
 	}
 	if err := s.userManager.CheckAllowAccess(v.user.Name, req.Topic); err != nil {
 		return errHTTPConflictTopicReserved
diff --git a/server/server_account_test.go b/server/server_account_test.go
index 55b051f8..c2844384 100644
--- a/server/server_account_test.go
+++ b/server/server_account_test.go
@@ -351,7 +351,7 @@ func TestAccount_Reservation_Add_User_No_Plan_Failure(t *testing.T) {
 	rr := request(t, s, "POST", "/v1/account", `{"username":"phil", "password":"mypass"}`, nil)
 	require.Equal(t, 200, rr.Code)
 
-	rr = request(t, s, "POST", "/v1/account/access", `{"everyone":"deny-all"}`, map[string]string{
+	rr = request(t, s, "POST", "/v1/account/access", `{"topic":"mytopic", "everyone":"deny-all"}`, map[string]string{
 		"Authorization": util.BasicAuth("phil", "mypass"),
 	})
 	require.Equal(t, 401, rr.Code)
@@ -363,10 +363,11 @@ func TestAccount_Reservation_Add_Admin_Success(t *testing.T) {
 	s := newTestServer(t, conf)
 	require.Nil(t, s.userManager.AddUser("phil", "adminpass", user.RoleAdmin))
 
-	rr := request(t, s, "POST", "/v1/account/access", `{"everyone":"deny-all"}`, map[string]string{
+	rr := request(t, s, "POST", "/v1/account/access", `{"topic":"mytopic","everyone":"deny-all"}`, map[string]string{
 		"Authorization": util.BasicAuth("phil", "adminpass"),
 	})
-	require.Equal(t, 200, rr.Code)
+	require.Equal(t, 400, rr.Code)
+	require.Equal(t, 40026, toHTTPError(t, rr.Body.String()).Code)
 }
 
 func TestAccount_Reservation_Add_Remove_User_With_Plan_Success(t *testing.T) {
@@ -383,8 +384,8 @@ func TestAccount_Reservation_Add_Remove_User_With_Plan_Success(t *testing.T) {
 	require.Nil(t, err)
 
 	_, err = db.Exec(`
-		INSERT INTO plan (id, code, messages_limit, emails_limit, attachment_file_size_limit, attachment_total_size_limit, topics_limit)
-		VALUES (1, 'testplan', 10, 10, 10, 10, 2);
+		INSERT INTO plan (id, code, messages_limit, messages_expiry_duration, emails_limit, attachment_file_size_limit, attachment_total_size_limit, attachment_expiry_duration, topics_limit)
+		VALUES (1, 'testplan', 10, 86400, 10, 10, 10, 10800, 2);
 
 		UPDATE user SET plan_id = 1 WHERE user = 'phil';
 	`)
@@ -455,8 +456,8 @@ func TestAccount_Reservation_Add_Access_By_Anonymous_Fails(t *testing.T) {
 	require.Nil(t, err)
 
 	_, err = db.Exec(`
-		INSERT INTO plan (id, code, messages_limit, emails_limit, attachment_file_size_limit, attachment_total_size_limit, topics_limit)
-		VALUES (1, 'testplan', 10, 10, 10, 10, 2);
+		INSERT INTO plan (id, code, messages_limit, messages_expiry_duration, emails_limit, attachment_file_size_limit, attachment_total_size_limit, attachment_expiry_duration, topics_limit)
+		VALUES (1, 'testplan', 10, 86400, 10, 10, 10, 10800, 2);
 
 		UPDATE user SET plan_id = 1 WHERE user = 'phil';
 	`)
diff --git a/server/server_test.go b/server/server_test.go
index 7ba85571..6467be9b 100644
--- a/server/server_test.go
+++ b/server/server_test.go
@@ -1271,7 +1271,7 @@ func TestServer_PublishAttachmentAndPrune(t *testing.T) {
 	require.Equal(t, 200, response.Code)
 	require.Equal(t, content, response.Body.String())
 
-	// Prune and makes sure it's gone
+	// DeleteMessages and makes sure it's gone
 	time.Sleep(time.Second) // Sigh ...
 	s.execManager()
 	require.NoFileExists(t, file)
diff --git a/server/types.go b/server/types.go
index 7477fb16..b62e48a0 100644
--- a/server/types.go
+++ b/server/types.go
@@ -23,9 +23,10 @@ const (
 
 // message represents a message published to a topic
 type message struct {
-	ID         string      `json:"id"`    // Random message ID
-	Time       int64       `json:"time"`  // Unix time in seconds
-	Event      string      `json:"event"` // One of the above
+	ID         string      `json:"id"`      // Random message ID
+	Time       int64       `json:"time"`    // Unix time in seconds
+	Expires    int64       `json:"expires"` // Unix time in seconds
+	Event      string      `json:"event"`   // One of the above
 	Topic      string      `json:"topic"`
 	Title      string      `json:"title,omitempty"`
 	Message    string      `json:"message,omitempty"`
@@ -240,12 +241,14 @@ type apiAccountPlan struct {
 }
 
 type apiAccountLimits struct {
-	Basis               string `json:"basis"` // "ip", "role" or "plan"
-	Messages            int64  `json:"messages"`
-	Emails              int64  `json:"emails"`
-	Topics              int64  `json:"topics"`
-	AttachmentTotalSize int64  `json:"attachment_total_size"`
-	AttachmentFileSize  int64  `json:"attachment_file_size"`
+	Basis                    string `json:"basis"` // "ip", "role" or "plan"
+	Messages                 int64  `json:"messages"`
+	MessagesExpiryDuration   int64  `json:"messages_expiry_duration"`
+	Emails                   int64  `json:"emails"`
+	Topics                   int64  `json:"topics"`
+	AttachmentTotalSize      int64  `json:"attachment_total_size"`
+	AttachmentFileSize       int64  `json:"attachment_file_size"`
+	AttachmentExpiryDuration int64  `json:"attachment_expiry_duration"`
 }
 
 type apiAccountStats struct {
diff --git a/server/visitor.go b/server/visitor.go
index 0646a705..73b1dccc 100644
--- a/server/visitor.go
+++ b/server/visitor.go
@@ -46,6 +46,7 @@ type visitorInfo struct {
 	Messages                     int64
 	MessagesLimit                int64
 	MessagesRemaining            int64
+	MessagesExpiryDuration       int64
 	Emails                       int64
 	EmailsLimit                  int64
 	EmailsRemaining              int64
@@ -56,6 +57,7 @@ type visitorInfo struct {
 	AttachmentTotalSizeLimit     int64
 	AttachmentTotalSizeRemaining int64
 	AttachmentFileSizeLimit      int64
+	AttachmentExpiryDuration     int64
 }
 
 func newVisitor(conf *Config, messageCache *messageCache, userManager *user.Manager, ip netip.Addr, user *user.User) *visitor {
@@ -179,20 +181,26 @@ func (v *visitor) Info() (*visitorInfo, error) {
 	if v.user != nil && v.user.Role == user.RoleAdmin {
 		info.Basis = "role"
 		// All limits are zero!
+		info.MessagesExpiryDuration = 24 * 3600   // FIXME this is awful. Should be from the Unlimited plan
+		info.AttachmentExpiryDuration = 24 * 3600 // FIXME this is awful. Should be from the Unlimited plan
 	} else if v.user != nil && v.user.Plan != nil {
 		info.Basis = "plan"
 		info.MessagesLimit = v.user.Plan.MessagesLimit
+		info.MessagesExpiryDuration = v.user.Plan.MessagesExpiryDuration
 		info.EmailsLimit = v.user.Plan.EmailsLimit
 		info.TopicsLimit = v.user.Plan.TopicsLimit
 		info.AttachmentTotalSizeLimit = v.user.Plan.AttachmentTotalSizeLimit
 		info.AttachmentFileSizeLimit = v.user.Plan.AttachmentFileSizeLimit
+		info.AttachmentExpiryDuration = v.user.Plan.AttachmentExpiryDuration
 	} else {
 		info.Basis = "ip"
 		info.MessagesLimit = replenishDurationToDailyLimit(v.config.VisitorRequestLimitReplenish)
+		info.MessagesExpiryDuration = int64(v.config.CacheDuration.Seconds())
 		info.EmailsLimit = replenishDurationToDailyLimit(v.config.VisitorEmailLimitReplenish)
 		info.TopicsLimit = 0 // FIXME
 		info.AttachmentTotalSizeLimit = v.config.VisitorAttachmentTotalSizeLimit
 		info.AttachmentFileSizeLimit = v.config.AttachmentFileSizeLimit
+		info.AttachmentExpiryDuration = int64(v.config.AttachmentExpiryDuration.Seconds())
 	}
 	var attachmentsBytesUsed int64 // FIXME Maybe move this to endpoint?
 	var err error
diff --git a/user/manager.go b/user/manager.go
index 29280fb3..6ae7f5d1 100644
--- a/user/manager.go
+++ b/user/manager.go
@@ -36,10 +36,12 @@ const (
 			id INT NOT NULL,		
 			code TEXT NOT NULL,
 			messages_limit INT NOT NULL,
+			messages_expiry_duration INT NOT NULL,
 			emails_limit INT NOT NULL,
 			topics_limit INT NOT NULL,
 			attachment_file_size_limit INT NOT NULL,
 			attachment_total_size_limit INT NOT NULL,
+			attachment_expiry_duration INT NOT NULL,
 			PRIMARY KEY (id)
 		);
 		CREATE TABLE IF NOT EXISTS user (
@@ -83,13 +85,13 @@ const (
 	`
 
 	selectUserByNameQuery = `
-		SELECT u.user, u.pass, u.role, u.messages, u.emails, u.settings, p.code, p.messages_limit, p.emails_limit, p.topics_limit, p.attachment_file_size_limit, p.attachment_total_size_limit
+		SELECT u.user, u.pass, u.role, u.messages, u.emails, u.settings, p.code, p.messages_limit, p.messages_expiry_duration, p.emails_limit, p.topics_limit, p.attachment_file_size_limit, p.attachment_total_size_limit, p.attachment_expiry_duration
 		FROM user u
 		LEFT JOIN plan p on p.id = u.plan_id
 		WHERE user = ?		
 	`
 	selectUserByTokenQuery = `
-		SELECT u.user, u.pass, u.role, u.messages, u.emails, u.settings, p.code, p.messages_limit, p.emails_limit, p.topics_limit, p.attachment_file_size_limit, p.attachment_total_size_limit
+		SELECT u.user, u.pass, u.role, u.messages, u.emails, u.settings, p.code, p.messages_limit, p.messages_expiry_duration, p.emails_limit, p.topics_limit, p.attachment_file_size_limit, p.attachment_total_size_limit, p.attachment_expiry_duration
 		FROM user u
 		JOIN user_token t on u.id = t.user_id
 		LEFT JOIN plan p on p.id = u.plan_id
@@ -375,7 +377,7 @@ func (a *Manager) userStatsQueueWriter(interval time.Duration) {
 	ticker := time.NewTicker(interval)
 	for range ticker.C {
 		if err := a.writeUserStatsQueue(); err != nil {
-			log.Warn("UserManager: Writing user stats queue failed: %s", err.Error())
+			log.Warn("User Manager: Writing user stats queue failed: %s", err.Error())
 		}
 	}
 }
@@ -384,7 +386,7 @@ func (a *Manager) writeUserStatsQueue() error {
 	a.mu.Lock()
 	if len(a.statsQueue) == 0 {
 		a.mu.Unlock()
-		log.Trace("UserManager: No user stats updates to commit")
+		log.Trace("User Manager: No user stats updates to commit")
 		return nil
 	}
 	statsQueue := a.statsQueue
@@ -395,9 +397,9 @@ func (a *Manager) writeUserStatsQueue() error {
 		return err
 	}
 	defer tx.Rollback()
-	log.Debug("UserManager: Writing user stats queue for %d user(s)", len(statsQueue))
+	log.Debug("User Manager: Writing user stats queue for %d user(s)", len(statsQueue))
 	for username, u := range statsQueue {
-		log.Trace("UserManager: Updating stats for user %s: messages=%d, emails=%d", username, u.Stats.Messages, u.Stats.Emails)
+		log.Trace("User Manager: Updating stats for user %s: messages=%d, emails=%d", username, u.Stats.Messages, u.Stats.Emails)
 		if _, err := tx.Exec(updateUserStatsQuery, u.Stats.Messages, u.Stats.Emails, username); err != nil {
 			return err
 		}
@@ -523,11 +525,11 @@ func (a *Manager) readUser(rows *sql.Rows) (*User, error) {
 	var username, hash, role string
 	var settings, planCode sql.NullString
 	var messages, emails int64
-	var messagesLimit, emailsLimit, topicsLimit, attachmentFileSizeLimit, attachmentTotalSizeLimit sql.NullInt64
+	var messagesLimit, messagesExpiryDuration, emailsLimit, topicsLimit, attachmentFileSizeLimit, attachmentTotalSizeLimit, attachmentExpiryDuration sql.NullInt64
 	if !rows.Next() {
 		return nil, ErrNotFound
 	}
-	if err := rows.Scan(&username, &hash, &role, &messages, &emails, &settings, &planCode, &messagesLimit, &emailsLimit, &topicsLimit, &attachmentFileSizeLimit, &attachmentTotalSizeLimit); err != nil {
+	if err := rows.Scan(&username, &hash, &role, &messages, &emails, &settings, &planCode, &messagesLimit, &messagesExpiryDuration, &emailsLimit, &topicsLimit, &attachmentFileSizeLimit, &attachmentTotalSizeLimit, &attachmentExpiryDuration); err != nil {
 		return nil, err
 	} else if err := rows.Err(); err != nil {
 		return nil, err
@@ -552,10 +554,12 @@ func (a *Manager) readUser(rows *sql.Rows) (*User, error) {
 			Code:                     planCode.String,
 			Upgradeable:              false,
 			MessagesLimit:            messagesLimit.Int64,
+			MessagesExpiryDuration:   messagesExpiryDuration.Int64,
 			EmailsLimit:              emailsLimit.Int64,
 			TopicsLimit:              topicsLimit.Int64,
 			AttachmentFileSizeLimit:  attachmentFileSizeLimit.Int64,
 			AttachmentTotalSizeLimit: attachmentTotalSizeLimit.Int64,
+			AttachmentExpiryDuration: attachmentExpiryDuration.Int64,
 		}
 	}
 	return user, nil
diff --git a/user/types.go b/user/types.go
index f8c4e41f..bbf07a8a 100644
--- a/user/types.go
+++ b/user/types.go
@@ -58,10 +58,12 @@ type Plan struct {
 	Code                     string `json:"name"`
 	Upgradeable              bool   `json:"upgradeable"`
 	MessagesLimit            int64  `json:"messages_limit"`
+	MessagesExpiryDuration   int64  `json:"messages_expiry_duration"`
 	EmailsLimit              int64  `json:"emails_limit"`
 	TopicsLimit              int64  `json:"topics_limit"`
 	AttachmentFileSizeLimit  int64  `json:"attachment_file_size_limit"`
 	AttachmentTotalSizeLimit int64  `json:"attachment_total_size_limit"`
+	AttachmentExpiryDuration int64  `json:"attachment_expiry_seconds"`
 }
 
 // Subscription represents a user's topic subscription