Hello,
My server is ok, is sending email to every domain, but have some domains, he reply time out, when i check this domain is ok.
My server is in real ip, is working, my reverse ip is ok too.
follow msg in log:
to=<XXXX@XXX.com>, relay=none, delay=30, delays=0.06/0/30/0, dsn=4.4.1, status=deferred (connect to XXXX.com[XXXX]:25: Connection timed out)