Re: suggestions for altering outbound SMTP to work-around multi-CC denials

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Andy Bradford <[email protected]> wrote:
    >> Recently,   mail  to   recepients  at   several  domains   (gmail.com,
    >> verizon.net)  is being  refused  when multiple  receipients are  CC'ed
    >> (even when only a  small number -- 2, 3 -- of  people are CC'ed). This
    >> behavior is repeatable and consistent, not transient failures.

    > I shouldn't think that  2 or 3 recipients would ever be  a problem for a
    > Big Mailer Corp  like Gmail. What specific errors are  you getting? What
    > makes you think it's the number of recipients?

MS, has done multiple own-goals on their email infrastructure in the past two months.
Including killing deivery of a mailing list that mail admins use to tell each
other about such problems.

I'm sure that Google has multiple vibe-coded "upgrades" too.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        |    IoT architect   [
]     [email protected]  http://www.sandelman.ca/        |   ruby on rails    [



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