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

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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adr:;;2021 Brunswick Street;Halifax;NS;B3K 2Y5;Canada
email;internet:[email protected]
title:WAN Communications Specialist
tel;work:902-424-6800
tel;fax:902-424-0874
version:2.1
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