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Re: 2.99.49p6a7 got stuck at MAIL command

> I tried to switch to 2.99.49p6a7, but somehow the smtpserver
> always gets stuck after the remote host issues a MAIL command.
> I'll then have to kill -9 the smtpserver processes before I
> can restart zmailer 2.99.49p3. Has anyone seen this?

Running .49p6a7 in production since 25 Sep, no problem.
A wild guess - you could have requested DNS verification of addresses,
and the DNS for the address in question is unreachable/too slow/broken?