[pfx] Re: New to Postfix, Google problems

Paul Tomblin via Postfix-users <[email protected]>
Newsgroups gmane.mail.postfix.user
Message-ID <[email protected]>

On Fri, Aug 7, 2026, at 12:23 PM, Jaroslaw Rafa via Postfix-users wrote:

> The certificates only come into play when you are the RECEIVING side.If you
> are SENDING mail, no certificates are involved on your side, at all.
>
> So trouble with SENDING mail to another server cannot be cause dby
> certificates.

I believe you’re wrong about that. If you sign your email with a self-signed certificate, then Google has to trust that certificate in order for them to verify your signature. If they decide not to accept your self-signed certificate, then they mark your email as a DKIM failure.

-- 
Paul Tomblin
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