Can't access smtp servers


It seems I can’t access smpt servers both from kmail and php. Kmail says

Sending failed:
The message will stay in the 'outbox' folder until you either fix the problem (e.g. a broken address) or remove the message from the 'outbox' folder.
The following transport was used: ...

I double checked my settings and they are correct. I can ping I can send emails using thunderbird on a windows box that is connected to the same network as I am.

I also tried turning off the firewall through yast but no joy.

Please help me. I can’t figure this out.

gmail will only accept SSL transport to its SMTP servers; have you configured the SMTP Account to SSL and set the password?