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mutt: fix DKIM signing via SSH fallback
- SSH fallback now uses msmtp to submit via localhost:25
- This goes through exim daemon which has DKIM credentials
- Add msmtp to exim-smarthost for local submission
- Expose msmtp wrapper via passthru
author
lassulus
date
(Jan 18, 2026, 11:52 AM CET)
commit
b2562ce8
b2562ce8bbf614acec84b1b504f025dd67251999
parent
c46f1c5f
c46f1c5fe2f3e307092870e39654efa17fbb86c2
+11
-4
+3
2configs/exim-smarthost.nix
+3
2configs/exim-smarthost.nix
+8
-4
tools/mutt/flake-module.nix
+8
-4
tools/mutt/flake-module.nix
···
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${pkgs.coreutils}/bin/tee >(${pkgs.notmuch}/bin/notmuch insert +sent) | \
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${pkgs.msmtp}/bin/msmtp -C ${msmtprc} "$@"
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else
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-
# Fall back to SSH tunnel to neoprism
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+
# Fall back to SSH tunnel to neoprism, submit via SMTP to local daemon
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echo "neoprism.r not reachable, sending via SSH..." >&2
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${pkgs.coreutils}/bin/tee >(${pkgs.notmuch}/bin/notmuch insert +sent) | \
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-
${pkgs.openssh}/bin/ssh -p 45621 neoprism.lassul.us sendmail -t
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+
${pkgs.openssh}/bin/ssh -p 45621 neoprism.lassul.us 'msmtp -C /dev/null --host=localhost --port=25 --read-envelope-from --read-recipients'
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fi
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'';
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···
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'';
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in
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-
self.wrapLib.makeWrapper {
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+
(self.wrapLib.makeWrapper {
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pkgs = pkgs;
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package = pkgs.neomutt;
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aliases = [ "mutt" ];
···
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flags = {
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"-F" = "${muttrc}";
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};
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-
};
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+
}).overrideAttrs (old: {
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passthru = (old.passthru or { }) // {
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inherit msmtp;
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};
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});
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};
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}