System I/O error (in reply to end of DATA command) for LMTP delivery

[Stephen Ingram]

Patrick-

Actually, nothing. I've got everything piped into /var/log/maillog and not
too much there either beyond the actual error message.

Steve

On Fri, Jun 1, 2018 at 9:23 AM, Patrick Boutilier <boutilpj at ednet.ns.ca>
wrote:

> On 06/01/2018 01:21 PM, Stephen Ingram wrote:
>
>> I'm receiving a 451 4.3.0 System I/O error (in reply to end of DATA
>> command) error from Postfix when trying to deliver to cyrus-imap and not
>> really sure why. I'm on CentOS 7 (2.4.17-8) after downgrading from current
>> version. I'm using Kerberos GSSAPI to connect to the front end, but
>> authentication appears to be working fine as I can see authenticated when
>> enabling LMTP debugging in Postifx. All messages are refused for delivery
>> though. I'm not sure what to do. Any suggestions?
>>
>
> Should be something of value in /var/log/messages .
>
>
>
>
>> Steve
>>
>>
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