Problems sending emails

[Camarao]

Hi,
some domains on my servers cannot send emails.

They worked before, but now they simply won´t work just for some domains.

Emails are sent via webmail or SMTP, watching the exim_mainlog (tail -f) it tells that the emails go to the queue... then... OOPs... they disappear...

Well, I tried...

- raised MX from 0 to 10;
- looked for configurations for this domain, saw no difference;
- checked others that work... same thing
- /tmp not full
- queue not big
.....

Does anyone know if there´s a bug / updates on cPanel ?
What can I do?

Thank you!!

[thewebhosting]

Are the senders receiving any bounce back messages?

[Camarao]

no replies / bounces at all, they just get lost

[Camarao]

Could not solve it yet. Can anyne tell me how can I see a spool like /var/spool for outgoing mail?

[mtindor]

Suggestion: Provide some useful logs - grepping the logs for the full message ID so that you get all of the log information regarding at least one of those emails that isn't being delivered.

Mike