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i have centos5.3 i have mail server qmail toaster i can send /recieve mail from mail server but i have another server having varios application like bug tracker mantis,dotproject etc i already configured this application to send mail when any action is taken in this aaplication ,but from few days the mail are received from this application while normal mail from mail server is working i also check the smtp service on server on which application is installed is running pls suggest
my mail server working fine user are able to send/receive mail throught clent
i have another application server on which there some application like mantis bug trackers , when any bug is log in mantis the mail from mantis application is send to user through mail server, but i am not receive mails from mantis application
Check your mail server logs for the errors or the mail queues. Also check if your bug tracking is configured to use proper server for sending mails and also check if your smtp requires authentication and if that is the case, mantis is also configured to supply user and password. We have similar setup for bugzilla and there are vast configuration options for the same. Check every option.
Have a look at qmail log under /var/log/qmail/smtpd/current and see if mail ever reaches your mail server.
It could be a firewall problem. To test you can telnet from the host running mantis to the port 25 of the host running qmail and see if you get a response.
Doh, you have another mail server running on the host with mantis? Is this smtp server running?
You should check the logs of that server too.
Did you looked at /var/log/qmail/smtpd/current to see if you get anything?