Email from server driving me crazy

[chaloum]

Getting email to work on the sever is just a nightmare.

I cant get pop and imap working anbd smtp it unstable

I thought I had smtp fix. It forwarding through google apps. I initially had the stupid STARTTLS bounce error which I spent days trying to resolve and now it's back

How do I for once an for all get the email system running reliably?

I using CentOs 6.2 and ispconfig 3 and the istall was using the build a perfect server for CentOs 6.2 and ispconfig 3

Please I need some help to get this resolved