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

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