Victor Duchovni <[EMAIL PROTECTED]> wrote: > > However, I'm puzzled - it defaults to 18000s but the watchdog timer > > seems to kill qmgr during these incidents after about a half hour, > > which is 1800 seconds. > > Wrong timer. The watchdog timeout is hard-coded to 1000s.
Ahhh. I was going on this, from he qmgr(8) man page: daemon_timeout (18000s) How much time a Postfix daemon process may take to handle a request before it is terminated by a built-in watchdog timer. That's the only reference to a watchdog timer in the qmgr man page. Is it incorrect, or does it mean something sensible that I misunderstood? (Should there be something in the man page about the hard coded timer?) > Note, the definition of "succeed" here is the opposite of a "failure", > where "failure" is not failure to deliver, but rather failure to connect, > active rejection at connect or HELO or an I/O timeout during the mail > transaction. Deliveries that fail with 4XX in response to "MAIL", "RCPT", > "DATA" or "." don't cause negative feedback... *nod* I have observed this when we get a frequent 421 on initial connect, and I have not observed this when we get 421's in response to issuing any SMTP commands after the greeting. (Though that causes a different unwanted behavior that I've also observed in later versions of postfix, that should be a different email thread) -- Cos