Welcome to Mail Server on Ubuntu 16.04 Part 3. This is the third part of a series of blog posts. We will be adding anti-virus and anti-spam along with some other tools to stop spam and viruses getting through checking in this post.
- Emails will be checked with anti-virus service ClamAV
- Emails will be checked with anti-spam filters from Spamassassin
- Grey listing of incoming mail servers with Postgrey