diff options
| -rw-r--r-- | mail-server/postfix.nix | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mail-server/postfix.nix b/mail-server/postfix.nix index 618d6c5..340122b 100644 --- a/mail-server/postfix.nix +++ b/mail-server/postfix.nix @@ -172,6 +172,8 @@ in virtual_mailbox_domains = vhosts_file; virtual_mailbox_maps = mappedFile "valias"; virtual_transport = "lmtp:unix:/run/dovecot2/dovecot-lmtp"; + # Avoid leakage of X-Original-To, X-Delivered-To headers between recipients + lmtp_destination_recipient_limit = "1"; # sasl with dovecot smtpd_sasl_type = "dovecot"; @@ -241,6 +243,11 @@ in submissionsOptions = submissionOptions; masterConfig = { + "lmtp" = { + # Add headers when delivering, see http://www.postfix.org/smtp.8.html + # D => Delivered-To, O => X-Original-To, R => Return-Path + args = [ "flags=O" ]; + }; "policy-spf" = { type = "unix"; privileged = true; |