Hi Vytis, Yes we validated the same where we could see same account is exist in real world & engaged with brand emails in past 30 days.
--Vaibhav On Wed, Nov 13, 2019 at 6:48 PM Vytis Marciulionis < marciulionis.vy...@gmail.com> wrote: > Hi Vaibhav, > > Are you able to confirm that those mailbox really exist? Occasionally > Yahoo cleans up their mailboxes, so some times bounces may increase. On our > end I do not see any increases in bounces in the last 24 hours. > > Regards, > Vytis > > On Wed, Nov 13, 2019 at 7:25 AM Vaibhav via mailop <mailop@mailop.org> > wrote: > >> Hi Everyone, >> >> Recently we observed we are getting false bounce reason within month >> time. As per our analysis Yahoo is throwing bounce reason as " *554 >> delivery error: dd This user doesn't have a yahoo.com <http://yahoo.com> >> account* ([EMAIL]) " >> >> We identify the same issue across our customers. Few customer we noticed >> around ~25% false positive bounces. >> >> Here is sample for one user, >> >> *Email bounced :* >> >> 2019-09-30 16:37:24 >> mta5.am0.yahoodns.net (98.136.96.77) >> 554 delivery error: dd This user doesn't have a yahoo.com account >> ([EMAIL]) [-9] - mta4274.mail.ne1.yahoo.com >> >> >> *Email successfully delivery : * >> >> 2019-10-31 11:54:11 >> mta5.am0.yahoodns.net (98.136.96.76) >> >> --Vaibhav >> >> _______________________________________________ >> mailop mailing list >> mailop@mailop.org >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> > > > -- > Pagarbiai, > Vytis Marčiulionis > +37064734475 >
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