Home > Technical Information > Anti-Spam via SPF: Sender Policy Framework

Anti-Spam via SPF: Sender Policy Framework


VirusSPF is an excellent method of preventing email spoofing, protecting your users from having their domain show up on spam throughout the world. SPF, however, is only as effective as you make it, as it requires changes to your DNS servers for each domain you host email for.

It is in the best interest of all email users everywhere that domain administrators add SPF records to their domain that indicate what servers are authorized to send email for their domain. Encouraging your domain administrators to adopt SPF protects them from being the victims of spoofing, and reduces the spam threat on not only your server, but others throughout the world as well.

More information can be found at http://www.openspf.org/.

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