Sometimes forwarded emails come back marked ‘undeliverable’. This article explains why, and how to fix the problem.

What does the undeliverable message look like?

You may get a message that looks like this:

“The Message was undeliverable due to the following reason:

Reason: SPF: IP_ADDRESS is not allowed to send email from DOMAIN”

Why do I get this message?

Some email providers won’t allow other email providers to forward emails to them.

How can I fix it?

To allow email forwarding from Telstra Mail, contact the other email provider to request this function.

Can’t fix the problem?

Contact us


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