Inbound mails are ok, but occasionally some outbound mails are not

HCL Domino Domino Forum
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Inbound mails are OK, but some outbound mails are not. Below is the logs with status error 567.I would like to know and where can I find the status error 2567 means for?

Can someone help me to solve it? Thank you

2009-05-08 08:37:36 AM [23289:00015–1902113904] SMTPClient: Data Send Failed 544502 bytes, Status: 2567

2009-05-08 08:37:36 AM [23289:00015–1902113904] SMTPClient: Connection broken after an error sending DATA command

2009-05-08 08:37:36 AM [23289:00015–1902113904] SMTPClient: Attempting to Disconnect:

2009-05-08 08:37:36 AM [23289:00015–1902113904] SMTPClient: Connection already disconnected

2009-05-08 08:37:36 AM Router: No messages transferred to [$Retry smtp.dmz.FEDEX.COM] (host smtp.dmz.FEDEX.COM) via SMTP

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Subject: Similar problem of outbound smtp error

We have similar problem here.Some outbound messages are not delivered to an ISP relay - we tested with Qmail and Postfix there - and I have to force delivery for various times. They are eventually delivered after all, but it may take hours.

We could not find any common point in the problematic messages, as they can cointain or not attachments, numerous or single recipient addressing, and new or replied messages. Not all messages from same user have the problem, only five or six in dozens of sent messages during the working day.

Our environment is an HP Proliant DL380G, 2GB of memory and two SAS disks. Broadcomm network cards and CentOS 5.3 64bits clean installation.

Domino 8.5 and all clients are 8.5 too, but almost all mailboxes were upgraded from 5.0.12 to 8.5 in a single step - i.e. only two of them were upgraded to 6 and then to 8.5.

In time: Old environment was in Windows 2000 and it had not same problem. I tried copying problematic messages in its queue and that server could send them immediately.

Some fixups done reduced the amount of messages in our mail.box queues:

  • use of full name instead of IP in output relay identification

  • adding this name to /etc/hosts file

  • adding local mailserver full qualified name to /etc/hosts . Strange, as it was already there as 127.0.0.1 and I had to put local class C IP.

As I could identify, the message itself starts to be sent until DATA packets and for some reason it is broken. When Domino server quits the connection by timeout, the other server already closed the connection.

Any suggestion is welcome.

Thanks in advance,

Masayuki