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2configs.mailserver: migrate dovecot config to settings option
Dovecot 2.4 (now in nixpkgs) removed services.dovecot2.extraConfig and
mailPlugins. Translate the plugin/namespace blocks into the structured
settings tree, hoist ACL plugin keys to top-level (no more `plugin {}`
section), and update the variable-substitution syntax (%n -> %{user |
username}, %u -> %{user}).
author
lassulus
date
(Apr 23, 2026, 2:08 PM CEST)
commit
ce4d09dd
ce4d09dda5aec9768854bfbad1be8c04195327e0
parent
49a2a777
49a2a7774f6a5533cfc04372e3bf151ac73df8f1
+27
-31
+27
-31
2configs/mailserver.nix
+27
-31
2configs/mailserver.nix
···
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'';
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};
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# Dovecot virtual mailbox + ACL-restricted shared namespace for bot
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services.dovecot2.mailPlugins.globally.enable = [
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"virtual"
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"acl"
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];
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# Provision virtual mailbox config to a writable directory (nix store is read-only,
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# and the ACL plugin needs to write dovecot-acl-list next to the virtual config)
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systemd.tmpfiles.settings."dovecot-virtual" = {
···
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};
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};
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services.dovecot2.extraConfig = ''
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plugin {
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acl = vfile
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acl_shared_dict = file:/var/vmail/shared-mailboxes.db
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}
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# Dovecot virtual mailbox + ACL-restricted shared namespace for bot
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services.dovecot2.settings = {
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mail_plugins = {
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virtual = true;
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acl = true;
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+
};
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namespace shared {
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type = shared
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separator = .
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prefix = shared.%%n.
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location = maildir:/var/vmail/lassul.us/%%n/mail:LAYOUT=Maildir++
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subscriptions = no
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list = children
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}
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# ACL plugin settings (top-level since dovecot 2.4)
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acl = "vfile";
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acl_shared_dict = "file:/var/vmail/shared-mailboxes.db";
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namespace virtual {
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prefix = virtual.
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separator = .
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location = virtual:/var/vmail/virtual-config:INDEX=/var/vmail/virtual-indexes/%u
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subscriptions = no
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mailbox Unread {
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auto = subscribe
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}
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mailbox All {
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auto = subscribe
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}
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}
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'';
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"namespace shared" = {
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type = "shared";
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separator = ".";
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prefix = "shared.%{user | username}.";
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location = "maildir:/var/vmail/lassul.us/%{user | username}/mail:LAYOUT=Maildir++";
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subscriptions = false;
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list = "children";
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};
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+
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"namespace virtual" = {
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prefix = "virtual.";
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separator = ".";
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location = "virtual:/var/vmail/virtual-config:INDEX=/var/vmail/virtual-indexes/%{user}";
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subscriptions = false;
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"mailbox Unread".auto = "subscribe";
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"mailbox All".auto = "subscribe";
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};
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};
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# Write dovecot-acl files to grant bot read-only + flag access to lass's mail
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systemd.services.dovecot-acl-sync = {