Sender Policy Framework or SPF

The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery. More precisely, the current version of SPF — called SPFv1 or SPF Classic — protects the envelope sender address, which is used for the delivery of messages. See the box on the right for a quick explanation of the different types of sender addresses in e-mails.

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Relaying outbound email via IIG servers

In order to relay mail via our servers, you will need to include the follow details in your domain's SPF record:

A complete record would then appear as:   3600   IN   TXT   "v=spf1 ip4: -all"

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