Re: [GTALUG] Was: Linux kernel 5.3 - Now: SPF and Anti Forgery

On 2019-09-20 8:55 a.m., ac via talk wrote:
Your sent email, came in marked as SPAM, and I wondered why...
Don't forget: we had to implement Reply-To munging, otherwise mailing list messages were going out with incorrect DKIM information. Yes, about now someone usually quotes Chip Rosenthal's decade+ out-of-date article, but you either mess with headers or roughly ⅔ of your list recipients don't get e-mail. Most of them don't even get to see it as spam, either, as gmail et al quietly eat messages with bad DKIM information. cheers, Stewart

On Fri, 20 Sep 2019 21:23:24 -0400 "Stewart C. Russell via talk" <talk@gtalug.org> wrote:
On 2019-09-20 8:55 a.m., ac via talk wrote:
Your sent email, came in marked as SPAM, and I wondered why...
Don't forget: we had to implement Reply-To munging, otherwise mailing list messages were going out with incorrect DKIM information. Yes, about now someone usually quotes Chip Rosenthal's decade+ out-of-date article, but you either mess with headers or roughly ⅔ of your list recipients don't get e-mail. Most of them don't even get to see it as spam, either, as gmail et al quietly eat messages with bad DKIM information.
DKIM is not that well (or much at all) supported on a planetary scale. SPF however is important, but I guess for GTALUG, you say 66% of us DROP based on DKIM? That is so weird, that so many little email service providers would be choosing to LOSE valid emails from the rest of the planet... *sigh* I guess this means 66% of the people on the list lose real and valid emails daily, this is scary... Andre
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ac
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Stewart C. Russell