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lieser / dkim_verifier

DKIM Verifier Extension for Mozilla Thunderbird
MIT License
210 stars 35 forks source link

yahoo.de in standard rules #63

Closed bege10 closed 8 years ago

bege10 commented 8 years ago

All messages I receive from @yahoo.de accounts are not signed. Remove from standard rules?

lieser commented 8 years ago

Does this only only apply to recent e-mail, or also old ones? Do you yourself have a yahoo.de account? I'm asking because the last e-mail I received from yahoo.de (23.08.2015) was signed. I find it a little hard to believe they stopped doing so (DKIM key is still available and they are using DMARC).

bege10 commented 8 years ago

Hi, sorry for my late response, I was out of town.

The problem turned out to occur only with one yahoo.de account I received frequent messages from. I couldn't find out why these messages where not signed by yahoo.de. Sorry for having bothered you. Regards bege

-------- Original Nachricht/Message --------- Betreff/Subject: _Re: [dkimverifier] yahoo.de in standard rules (#63) Datum/Date: 11.2.2016 21:31:13 Von/From: Philippe Lieser notifications@github.com An/To: lieser/dkim_verifier dkim_verifier@noreply.github.com

Does this only only apply to recent e-mail, or also old ones? Do you yourself have a yahoo.de account? I'm asking because the last e-mail I received from yahoo.de (23.08.2015) was signed. I find it a little hard to believe they stopped doing so (DKIM key is still available and they are using DMARC).

— Reply to this email directly or view it on GitHub https://github.com/lieser/dkim_verifier/issues/63#issuecomment-183050089.

lieser commented 8 years ago

Thanks for the clarification.

The person is probably not using his yahoo.de account to send the e-mails, but a different server. Many e-mails server allow sending e-mails with arbitrary from addresses (especially if you can prove ownership of the address). If you haven't, I would suggest to make an exception for this yahoo.de address. For example by clicking the "Other actions" button in the e-mail header, and selecting "Add must be signed exception".