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-rw-r--r--sys/mta/default.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/mta/default.nix b/sys/mta/default.nix
index 6bca74f..9a1875b 100644
--- a/sys/mta/default.nix
+++ b/sys/mta/default.nix
@@ -122,6 +122,9 @@ in
mdaTransport = "lmtp:inet:${cfg.mdaAddr}:${toString cfg.lmtpPort}";
in
{
+ # user+extension@domain.tld
+ recipient_delimiter = "+";
+
message_size_limit = toString (50 * 1048576);
virtual_alias_maps = mkAfter [ "pcre:/etc/postfix/virtual_rules" ];