Gerben Wierda: > > A proper health check verifies that a service actually responds. > > True. > > > You can find more with "haproxy health check script". For example, > > Postfix should reply with a "220" status within 5 seconds. > > Thanks, I have been looking at how to set this up, but so far no > luck with the search engines...
HaProxy appears to have an smtpchk feature. Maybe it has been fixed
to work with postscreen's unusual but legitimate 220- greeting.
Wietse
