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Change SMTP listener to bind on port 587 instead of 25... to circumvent the block.

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Root User 2026-02-16 12:16:15 +01:00
parent 5d2f866a57
commit 1a5c2ac496
Signed by: root
GPG key ID: 087F0A95E5766D72
1 changed files with 3 additions and 1 deletions
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4
nix-system-configs/modules/system/mail-server.nix
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@ -88,7 +88,9 @@ in {
listener = { listener = {
smtp = { smtp = {
protocol = "smtp"; protocol = "smtp";
bind = "[::]:25"; # Use port 587 for SMTP submission with STARTTLS, as port 25 is often blocked by ISPs for outgoing mail to prevent spam.
# This way, you can still receive mail on port 25 but require authenticated submission on port 587.
bind = "[::]:587"; # I am so fucking fed up this shit, this fucking ISP is sending me to early grave.
}; };
submissions = { submissions = {
bind = "[::]:465"; bind = "[::]:465";