"I/O error on connection" problem. MailScanner related?

Chris W. Parker cparker at swatgear.com
Fri Jul 21 19:31:18 IST 2006

Steve Campbell <mailto:campbell at cnpapers.com>
    on Thursday, July 20, 2006 12:00 PM said:

> I'm not sure, but I seem to have ran into the same problem (sort of)
> recently. We, both ends, sort of figured out it was a combination of
> my timeout settings and his greylist settings. For some reason, the
> connection was almost always broken during the DATA phase, which
> didn't make sense, but my end thought that it was bad enough to
> resend, over and over to his end, which never changed the greylist
> entry to a whitelist (accept) entry. I don't recall see similar
> messages in my logs, though. But this could be one of the causes.

So what did you do to fix it?


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