Wietse: > >Another possibility is that the > >Postfix SMTP server behind the content filter has problems when it > >tries to resolve the 127.0.0.1 client IP address to a hostname.
Marco TCHI HONG: > How would be resolving a problem 127.0.0.1 when in my /etc/hosts.conf I > have : order hosts,bind and the right entry in /etc/hosts Just telnet to the "after-filter" SMTP port and see if there is a delay before Postfix responds. > How does the qmgr determines when it can send the message to the content > filter ? This is controlled by the concurrency limit for the content filter. http://www.postfix.org/postconf.5.html#default_destination_concurrency_limit http://www.postfix.org/postconf.5.html#default_destination_recipient_limit Wietse
