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About the Issues category
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0
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95
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May 6, 2026
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Spam filter: STWT_SURBL_DOMAIN ignores combined (bitmasked) SURBL responses
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1
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4
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September 20, 2026
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OIDC is not used by Stalwart if there is a provider outage
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5
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69
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September 20, 2026
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DNS-01 challenge TXT records are not removed after successful ACME validation
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1
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15
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September 19, 2026
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When InMemoryStore is a valkey cluster, any slot migration breaks (failover/resharding) breaks the rate limiter
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1
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11
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September 19, 2026
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Stalwart Cluster installation with FoundationDB & Issues
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6
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44
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September 18, 2026
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Reproducible SIGSEGV (139) crash at fixed binary offset 0x2c0ee15 — v0.16.22, PostgreSQL backend
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10
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63
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September 18, 2026
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System sieve doesn't take effect
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3
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41
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September 18, 2026
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LDAP configuration not picked up until restart
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3
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26
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September 18, 2026
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Messages received between imapsync import and first JMAP client connection are missing in JMAP (visible in IMAP)
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6
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96
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September 18, 2026
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Stalwart allows any mail to be the sender
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8
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195
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September 18, 2026
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CalDAV scheduling: inbound iTIP UPDATE (higher SEQUENCE) is dropped. Event not rescheduled and attendee PARTSTAT not reset
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11
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139
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September 18, 2026
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isDefault cannot be set on AddressBook via JMAP or WebUI
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4
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62
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September 18, 2026
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DMARC aggregate reports are valid under neither RFC 9990 nor RFC 7489: two `<spf>` elements per record (Cloudflare 555 invalid_report_schema)
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2
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20
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September 18, 2026
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Stalwart 0.16.22: nested mailing list accepted over SMTP, then inner list bounces with “Mailbox not found”
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2
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29
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September 18, 2026
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DSN enqueue failure retires original queued message, causing silent mail loss
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2
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29
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September 18, 2026
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Intermittent IMAP IDLE delays: remote EmailPush is processed against an older cache state
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2
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29
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September 18, 2026
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Outbound delivery to all .org and .io recipients stalls with "DNSSEC validation failed"
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1
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36
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September 18, 2026
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MX lookup fails with "DNSSEC validation failed" for signed zone (mail.de, RSA/SHA-512) on 0.16.21, regardless of DANE setting
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8
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194
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September 18, 2026
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Failed to fetch dynamically imported module
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3
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27
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September 18, 2026
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Something went wrong - Importing a module script failed
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3
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44
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September 18, 2026
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All-day recurring event is replaced by the occurrence override (JMAP)
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3
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13
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September 18, 2026
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iMIP email for single-instance change of recurring event describes the master occurrence instead of the affected one
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2
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13
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September 18, 2026
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Stalwart breaks the thread on every outgoing message and fails to append the messages to the existing thread
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3
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22
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September 18, 2026
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CardDAV PUT on a JMAP-created contact returns 412 no-uid-conflict on the same href (UID urn:uuid: vs bare UUID)
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2
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13
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September 18, 2026
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Incorrect RFC822.TEXT response
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2
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36
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September 18, 2026
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Sending to ProtonMail does not work
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1
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53
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September 16, 2026
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Message-cache warming slows down auth for large mailboxes
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5
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103
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September 15, 2026
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Configuration only applied on restart
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1
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30
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September 14, 2026
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User Sieve fileinto "INBOX" cannot override spam classification; only non-Inbox folders can
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3
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36
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September 13, 2026
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