What is email forwarding?


email forwarding happens when a MX SMTP server


You should implement it with SRS to pass SPF authentication.

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Postsrsd Spf Pass
How to install the Sender Rewriting Scheme (SRS) on PostFix?

This page is the installation of postsrsd which implements Sender Rewriting Scheme (SRS) for Postfix. It's mandatory if you forward emails via the alias functionality....
What is an Email Address?

An email address is a Internet identifier for: in a SMTP transaction an email sender a recipient (inbox) in a email message a to header address a from header address a cc header address...
Spf Dns Zone
What is the Sender Policy Framework (SPF) in Email?

The Sender Policy Framework (SPF) is a framework that determines if the sender of a email transaction is valid. It's part of the email authentication framework with DKIM where the goal is to: prevent...
Postsrsd Spf Pass
What is the Sender Rewriting Scheme (SRS) in Email?

Sender Rewriting Scheme (SRS) is a process that rewrite the sender address: into It is mandatory in order to conform to the SPF scheme when the emails are forwarded. With SRS, an MTA can circumvent...

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