1. 21 Jul, 2019 2 commits
    • Hinrikus Wolf's avatar
      postfix: add rt4mailgate support · f26819b0
      Hinrikus Wolf authored
      f26819b0
    • Hinrikus Wolf's avatar
      Merge branch 'ext-2' into 'master' · 90090b33
      Hinrikus Wolf authored
      Buster Compat and Improved TLS Settings
      
      Dovecot updated some TLS parameters in their config file. This adds the new parameters in a backward compatible manner.
      
      Prompted by that move, I also changed dovecot and postfix to a preset-based configuration of TLS. The default preset is `previous`, that should get you a equivalent configuration as before, regardless of being on stretch or buster (minus OpenSSL changes). Also, there are presets `modern`, `intermediate`, `old` directly from the new <https://ssl-config.mozilla.org>. But beware, at least dovecot currently errors on TLSv1.3-only `modern` although OpenSSL should be able to handle it. The preset **overrides** all manual configuration, so you should upgrade your custom variables.
      
      Beware, that there are two **open bugs** on Debian's dovecot package which may impact your setup:
      - [928492: doveadm errors on listing PAM users, because of a glibc change](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=928492)
      - [930919: dsync no longer syncs Sieve scripts](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=930919)
      
      For both bugs there is a patch on the dovecot repository that is already merged. But none made it into Debian yet.
      
      See merge request !3
      90090b33
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