Addresses returning that response are invalid. They should be bounced and suppressed from future mailing.
I have no idea why they chose 552, but the data shows that no one is home at these addresses. Luke On Thu, Mar 11, 2021 at 2:26 AM Mawutor Amesawu via mailop < mailop@mailop.org> wrote: > A client has inquired about Yahoo/VMG providing [552 1 Requested mail > action aborted, mailbox not found] errors for bounced messages. Their > sending app normally expects 552 errors to be errors with attachments or > message size. > > I understand the postmaster site indicates that any 5xx error should be > suppressed/removed, but it seems intentional that they used this code > rather than 554. Any insight would be appreciated. > > Regards, > Mawutor > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop >
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