ram: > delay=180, delays=0.11/0/0.1/180, dsn=4.4.2, status=deferred > (conversation with 202.162.240.2[202.162.240.2] timed out while sending > message body)
You have set your SMTP client timeouts TOO LOW.
A timeout of 180s for DATA/END_OF_DATA is insane.
Wietse
