Mark Alan: > While using Postfix 2.7.1 at an Ubuntu 10.10 server: > > We disabled ETRN as stated in the 'Configuring the Postfix fast ETRN service' > section of the ETRN_README.html > > (...) > smtpd_delay_reject = yes > fast_flush_domains = > mydestination = localhost.localdomain, localhost > mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 > relay_domains = $mydestination > smtpd_etrn_restrictions = > (...) > > The problem is that Postfix is still announcing 250-ETRN, and we are > being hit by very persistent machines that keep issuing: > etrn some.domain.tld > just to get: > 459 <some.domain.tld>: service unavailable
http://www.postfix.org/postconf.5.html#smtpd_etrn_restrictions Wietse