Jim Popovitch: > Hello, > > If given hostname that resolves to multiple A/AAAA records, will > smtpd_milters=inet:... cycle through all A/AAAA records until if > finds a host that it can connect to?
Postfix will try each IP address (as returned from getaddrinfo(3)) until it can establish a TCP connection. Postfix does not randomize the order of these IP addresses, and it does not reconnect (and replay a session) when an established Milter connection goes bad. > If so, does it make sense to reduce milter_connect_timeout to 10 > or 15 seconds? When does it make sense to run Postfix and Milters in different failure domains? I have no experience with such configurations. Wietse