Using Thunderbird, as I have been for years:
Recently I'm starting to get fails sending to gmail from a couple of personal domains, which use btinternet.com
under the old email version, I could list authenticated emails and BT /yahoo would take care of it, and after the new email arrived it continued to work, but I could never find a screen to add additional authenticated emails.
Now it appears the old ones have bee dropped 😞
Is there to reauthenticate my domain emails?
sent as if from my email@mydomain.org
We could not deliver your message as the email provider of the person you were
trying to send to has rejected it. If you have tried to send to multiple people,
we have listed the people who did not get the message below and the reason.
Your message was rejected by gmail-smtp-in.l.google.com for the following reason:
5.7.26 This mail is unauthenticated, which poses a security risk to the
5.7.26 sender and Gmail users, and has been blocked. The sender must
5.7.26 authenticate with at least one of SPF or DKIM. For this message,
5.7.26 DKIM checks did not pass and SPF check for [ashill.org] did not pass
5.7.26 with ip: [213.120.69.18]. The sender should visit
5.7.26 https://support.google.com/mail/answer/81126#authentication for
5.7.26 instructions on setting up authentication. jb3-20020a05600c54e300b003fbb29b61casi960470wmb.19 - gsmtp
The following recipients did not receive this message:
