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I've had a number of complaints in the last week since updating to 9.03 about our users not getting mail that should come through. This is from clients who have their domain in our whitelist as well as other common domains.
Here's what the sender is getting back:

Delivery to the following recipient failed permanently:


Technical details of permanent failure:
read error: generic::failed_precondition: read error (0): error

What does this mean and how do I solve the problems?

BTW: We are not using the BitDefender antispam at this point. Everything is as it was in 9.02.

[Updated on: Wed, 27 April 2016 22:17]


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Please switch on "SMTP Server" in Debug log.

Then have one of the problematic senders send a mail.

Post the relevant snippets of the debug log here.

Dexion AG - The Blackberry Specialists in Switzerland

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Same problem here with v.9.02.

read error: generic::failed_precondition: read error (0): error

sender Mailhost is google. i´ll try to get the smtp debuglog.

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