GNU mailutils version 3.21

Item posted by Sergey Poznyakoff <gray> on Thu Dec 11 14:36:57 2025.

GNU mailutils version 3.21 is available for download. Short list of changes in this version follows. Refer to its NEWS file for a detailed discussion.

• Optionally create intermediate directories when creating mailboxes.
• New configuration section homedir controls creation of home directories.
• Imap4d configuration statements create-home-dir and home-dir-mode declared obsolete. Use homedir section, instead.
• Changes in sieve language
  • Fileinto action: new option :interdir
  • New commands in string expansions: localuser and detail.
  • Immediate values allowed in ldap.field_map configuration statement.
• Bugfixes
  • Sieve: fix coredump on parsing fileinto :permission action.
  • Sieve: fix optimizer.
  • Library: fix parsing ls-compatible permission strings.
  • Library: fix mu_sieve_machine_clone function.
  • Configuration: use backslash to escape delimiters in some statements.
  • Library: fix localized help output.