Why is it not required to include Cayzu in our own custom SPF record?
Updated: 02/06/2020
Article #: 334
Years ago when email standards were being formed, email providers used the SPF records of the From/Sender address’ domain to check for alignment. This meant that it was necessary for Cayzu users to add a custom SPF record to their DNS in order to pass SPF alignment. This has since changed, and email providers no longer check the From field’s domain when evaluating SPF and determining the results.
The Return-Path domain is now used by receiving email domains to check for SPF alignment. This means your emails sent through Cayzu will always pass SPF by default, without any necessary action on your end, since the Return-Path of all emails sent through Cayzu already includes our outbound sending IPs and SPF record.
If you want to pass DMARC’s more strict SPF alignment requirements, you would need to set up a custom Return-Path with us so that the From address’ domain and the Return-Path’s domain match.
The Return-Path domain is now used by receiving email domains to check for SPF alignment. This means your emails sent through Cayzu will always pass SPF by default, without any necessary action on your end, since the Return-Path of all emails sent through Cayzu already includes our outbound sending IPs and SPF record.
If you want to pass DMARC’s more strict SPF alignment requirements, you would need to set up a custom Return-Path with us so that the From address’ domain and the Return-Path’s domain match.
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