On Tue, 2002-12-10 at 23:33, Jim Savoy wrote:
> We are running exim 4.05 on a Redhat 7.2 box. Our mail
> servers work flawlessly except for one unsual problem: occasionally
> (I'd say about once per every 4000 messages) the sending host does
> not seem to realize that the email it has sent us was successfully
> delivered. So it sends it again and again and again. The mail is
Every time I have seen this, it has been because of one or two reasons -
Aggressive timeouts at one end or the other
MTU path discovery issues (over-aggressive firewall?)
srs
