Originally Posted by firstname.lastname@example.org
Please tell me full steps of configuring mail server in CentOS 5.5.
Here are the steps:
1. Read documentation for your chosen mail server system and software
2. Use Google or other search engine to find common answers for common questions
3. Ask specific questions on forums and/or mailing lists for what is unclear
4. Install your system and mail server software
5. Do thorough testing, perhaps with a special test hostname in your domain
6. Deploy when ready.