Zimbra 8.8 - lost connection in local network

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eltonclemente
Posts: 1
Joined: Fri Mar 16, 2018 3:00 pm

Zimbra 8.8 - lost connection in local network

Post by eltonclemente »

Hello guys,

I have a Zimbra OpenSource 8.8 installed, and I have a BI server that sends emails frequently to clients.

My problem is that some emails work out, and others are aborted.

In the zimbra log I found the following entry:
smtp postfix / smtpd [16422]: lost connection after AUTH from srvdb.domain [10.1.4.18]

Already tried:
zmprov mcf zimbraHttpDosFilterMaxRequestsPerSec 500
zmprov mcf + zimbraHttpThrottleSafeIPs 10.1.4.18/32
zmprov mcf + zimbraMailTrustedIP 10.1.4.18
zmprov mcf zimbraInvalidLoginFilterMaxFailedLogin 0

But nothing had any effect.

Would anyone have any ideas?

Thanks.
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