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authorGuilhem Moulin <guilhem@fripost.org>2020-01-23 02:26:30 +0100
committerGuilhem Moulin <guilhem@fripost.org>2020-01-23 02:26:35 +0100
commit456e09fa40d01b70ac1788d0338fba00079e4121 (patch)
treea6f2612a0db70c9ed236274c46cb0e19198d0245 /roles/webmail/files/etc/nginx
parenta092bfd947773281a23419ee0ab62358371b7166 (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
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