Add SPF record.The Sender Policy Framework (SPF) is an open standard specifying a technical...

Enable DomainKeysDomainKeys is an e-mail authentication system that allows for incoming mail to...

Enabling spamassassinSpamAssassin and SpamBox allow you to identify spam mail and flag it or...

 To avoid email spoofing you can set catch all.Email spoofing is the practice of changing...