Issues

• 1024-bit RSA key in .well-known/jwks.json

  postalserver/postal#3647 · Filter by author hiddener opened on Oct 2, 2026

• SpamAssassin + non-ASCII characters = MySQL encoding crash (Incorrect string value)

  bug
  postalserver/postal#3620 · Filter by author PhiGi87 opened on Aug 10, 2026
  1

• ProcessMessageRetentionScheduledTask crashes with Unknown table when two workers run retention concurrently (drop_table has no IF EXISTS)

  bug
  postalserver/postal#3595 · Filter by author olegbliaher opened on Jun 29, 2026
  2

• CheckAllDNSScheduledTask - undefined method 'unpack' for nil (NoMethodError) len = readable_socks[0].read(2).unpack('n')[0]

  bug
  postalserver/postal#3593 · Filter by author olegbliaher opened on Jun 29, 2026
  1

• Messages passed from remote server to deliveries.output are not sanitized

  bug
  postalserver/postal#3592 · Filter by author olegbliaher opened on Jun 29, 2026
  2

• Routes giving error after deleting endpoints without removing them from routes

  bug
  postalserver/postal#3567 · Filter by author sandroshu opened on May 13, 2026

• Cannot deselect an assigned IP pool from the server edit form

  bug
  postalserver/postal#3562 · Filter by author vaibhavheda opened on Apr 30, 2026
  2

• Missing OIDC Logout Support — Postal cannot perform SSO logout (Keycloak/OIDC)

  enhancement
  postalserver/postal#3490 · Filter by author thib-d opened on Nov 21, 2025

• Managed DKIM/SPF services and Postal DNS Checker

  bug
  postalserver/postal#3486 · Filter by author DirectITServicesUK opened on Nov 15, 2025
  4

• SPF not checked for incoming email (missing Envelope-From)

  bug
  postalserver/postal#3482 · Filter by author jarqvi opened on Nov 8, 2025
  5

• "Key has already been taken" when using SMTP-IP

  bug
  postalserver/postal#3310 · Filter by author willpower232 opened on Feb 24, 2025
  9

• Tracking pixel is added to S/MIME mails breaking the signature

  bug
  postalserver/postal#3240 · Filter by author MexHigh opened on Nov 23, 2024
  4

• Attachment with LF in body is being replaced to CR LF

  bug
  postalserver/postal#3189 · Filter by author dudilugasi opened on Oct 22, 2024
  5

• Database entries not getting deleted

  bug
  postalserver/postal#3146 · Filter by author ZeroZXD opened on Sep 27, 2024
  1

• Mail forwarded by routers does not use IP pools

  bug
  postalserver/postal#3109 · Filter by author pplulee opened on Aug 28, 2024
  2

• Deleting an address endpoint causes not to be able to load routes anymore

  bug
  postalserver/postal#3101 · Filter by author mohamed-mourabit opened on Aug 24, 2024
  1

• "Validation failed: Last name can't be blank" when trying to use OIDC

  bug
  postalserver/postal#3049 · Filter by author dumbasPL opened on Jul 21, 2024
  1

• Messages hang in pending state when database connection fails

  bug
  postalserver/postal#3041 · Filter by author Ronnnn opened on Jul 10, 2024
  9

• helo_hostname is not fully realized

  bug
  postalserver/postal#3032 · Filter by author dallaslu opened on Jul 4, 2024
  6

• Database connection not re-astablished

  bug
  postalserver/postal#3023 · Filter by author notz opened on Jul 1, 2024
  7

• Mysql2::Error: Data too long for column 'user_agent'

  bug
  postalserver/postal#3015 · Filter by author andrew-cybsafe opened on Jun 24, 2024
  3

• BUG: routed emails not sent when ClamAV is enabled.

  bug
  postalserver/postal#2989 · Filter by author Reftek85 opened on May 24, 2024
  3

• Private Mode Broken

  bug
  postalserver/postal#2982 · Filter by author iammattmartin opened on May 20, 2024
  3

• Reject messages at the API & SMTP level when send limit is exceeded

  enhancement
  postalserver/postal#2875 · Filter by author adamcooke opened on Mar 12, 2024
  4

• Support for authentication on SMTP relays

  enhancement
  postalserver/postal#2811 · Filter by author adamcooke opened on Feb 21, 2024
  12