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Bounced email owing to published DMARC policy

gmlack
Whizz Kid
Message 3 of 3

I've just had an email, sent from an @dsl.pipex.com account, bounced.

This is the reason given (email address changed).

 

This is the mail system at host mxr.mfg.siteprotect.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<john.smith@gmail.com> (expanded from <johnn@smith.name>😞 host
    gmail-smtp-in.l.google.com[172.217.203.27] said: 550-5.7.26 Unauthenticated
    email from dsl.pipex.com is not accepted due to 550-5.7.26 domain's DMARC
    policy. Please contact the administrator of 550-5.7.26 dsl.pipex.com domain
    if this was a legitimate mail. Please visit 550-5.7.26
    https://support.google.com/mail/answer/2451690 to learn about the 550
    5.7.26 DMARC initiative. p20si6340495uam.154 - gsmtp (in reply to end of
    DATA command)

Any comments from TalkTalk about this?

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2 REPLIES 2

Message 1 of 3

I'm using the TalkTalk settings. But that just determines how I get to you, not how you get to everyone else. As I've pointed out before, any problems with the old Pipex settings could be resolved by updating those settings to be the same as the TalkTalk ones in the TalkTalk DNS data.

 

However, that bounce does seem to be a one-off. I didn't get it when I sent a test message to my friend just now.

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Ady-TalkTalk
Support Team
Message 2 of 3

Hi gmlack, are you using the TalkTalk.net settings for sending or pipex ones? If the latter please change to the TalkTalk.net ones. Let us know if you're still getting bouncebacks. 

 

Ady


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