I registered a new domain recently, with email forwarding to sonic.net. In Thunderbird I defined an identity with the new domain, using smtp.sonic.net for outgoing mail. Mostly that has been OK but today for the 2nd time in a few weeks an email bounced with the message:
I'm not sure whether this is a problem with Sonic, with the domain host, or with the recipient's ISP. My address is not 64.x of course, it's in the standard 173.x Sonic range.
Whom do I have to contact to update "SPF" settings?
Thanks
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(reason: 550 5.1.1 64.142.111.50 is not allowed to send from <new.domain> per its SPF Record. Please inspect your SPF settings, and try again. IB508 <http://x.co/srbounce>)
Whom do I have to contact to update "SPF" settings?
Thanks