diff options
| author | Guilhem Moulin <guilhem@fripost.org> | 2020-01-23 02:26:30 +0100 |
|---|---|---|
| committer | Guilhem Moulin <guilhem@fripost.org> | 2020-01-23 02:26:35 +0100 |
| commit | 456e09fa40d01b70ac1788d0338fba00079e4121 (patch) | |
| tree | a6f2612a0db70c9ed236274c46cb0e19198d0245 | |
| parent | a092bfd947773281a23419ee0ab62358371b7166 (diff) | |
Postfix: disable DNS lookups on the internal SMTPds.
Our internal IPs don't have a reverse PTR record, and skipping the
resolution speeds up mail delivery.
http://www.postfix.org/postconf.5.html#smtpd_peername_lookup
| -rw-r--r-- | roles/common/templates/etc/postfix/master.cf.j2 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/roles/common/templates/etc/postfix/master.cf.j2 b/roles/common/templates/etc/postfix/master.cf.j2 index c481ad4..a9c73f7 100644 --- a/roles/common/templates/etc/postfix/master.cf.j2 +++ b/roles/common/templates/etc/postfix/master.cf.j2 @@ -30,10 +30,12 @@ submissions inet n - y - - smtpd -o smtpd_sasl_security_options=noanonymous -o smtpd_sasl_exceptions_networks= -o smtpd_authorized_xforward_hosts=127.0.0.0/8,[::1]/128{{ ipsec_subnet is defined | ternary(','+ipsec_subnet, '') }} + -o smtpd_peername_lookup=no {% endif %} {% elif inst in ['IMAP', 'out', 'lists'] %} [{{ postfix_instance[inst].addr }}]:{{ postfix_instance[inst].port }} inet n - y - - smtpd -o smtpd_authorized_xforward_hosts=127.0.0.0/8,[::1]/128{{ ipsec_subnet is defined | ternary(','+ipsec_subnet, '') }} + -o smtpd_peername_lookup=no {% endif %} pickup unix n - y 60 1 pickup cleanup unix n - y - 0 cleanup |