HI all,

I’m experiencing problems with messages sent to a particular domain, as per mail.log:

Dec 1 03:16:59 mail postfix/smtp[15492]: 2C7142870D:,[]:25, delay=25630, delays=25628/1.4/0.04/1, dsn=4.0.0, status=deferred (host[] said: 451 too many messages, slow down [smtp-07.iol.local; LIB_650] (in reply to end of DATA command))

So I set USE_DOMAIN_THROTTLE to 1 trying to figure out the best settings for this case.

My question is: is it possible to use USE_DOMAIN_THROTTLE only for some defined domains ?

A limit to the whole queue makes everything very slow, even when it isn’t necessary, since ALL domains are processed in that way.

Thank you for your kind attention