On Mon, Nov 27, 2023 at 04:50:55PM +0000, Linkcheck via Postfix-users wrote:
> Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linkcheck.co.uk;
> s=mail;
> t=1701091213; bh=...;
> h=Date:To:From:Reply-To:Subject:From;
> b=...
Have you tried leaving out the largely redundant "s=" from your DKIM key
record? Compare:
mail._domainkey.linkcheck.co.uk. TXT "v=DKIM1; h=sha256; k=rsa; s=email;
p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvz7F7+W2AovZpw0lRMW/6HjaFsD8iyUsH0x/whIFNGobLP0cRiVaUmKQr62C69HMl+DpilTgtrwa3S/8i63Ym7yNeMSxsV+vbCnH9eq2l2bs6Z1MzZOLb50OmTgr6El6El1Wt/VEJc7m6rcatFpGxZWtLljaVlGwtFlpZwMYm"
"RI20FieK6oYl+adOyZHWdGTc7DKtHjwz0/LCwuG4bfJhXxqd56dbY33cPl/xoc3I/Sts9b8pqWtb0R9h96S4wsCYW5Egai2a2Y0Xxa/ND5Ftv6WmXPWqiWAfkRBwVxAA20WCrVTH9+3sZhtpAXmZjC3S7axsBqSl3jmtLf4zu19uQIDAQAB"
20230601._domainkey.google.com. TXT "v=DKIM1; k=rsa;
p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4zd3nfUoLHWFbfoPZzAb8bvjsFIIFsNypweLuPe4M+vAP1YxObFxRnpvLYz7Z+bORKLber5aGmgFF9iaufsH1z0+aw8Qex7uDaafzWoJOM/6lAS5iI0JggZiUkqNpRQLL7H6E7HcvOMC61nJcO4r0PwLDZKwEaCs8gUHiqRn/SS3wqEZX29v/VOUVcI4BjaOz"
"OCLaz7V8Bkwmj4Rqq4kaLQQrbfpjas1naScHTAmzULj0Rdp+L1vVyGitm+dd460PcTIG3Pn+FYrgQQo2fvnTcGiFFuMa8cpxgfH3rJztf1YFehLWwJWgeXTriuIyuxUabGdRQu7vh7GrObTsHmIHwIDAQAB"
Perhaps Google's DKIM implementation does not like "s="? I expect it
does support "sha256"...
--
Viktor.
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