Yes, AWeber supports Require-Recipient-Valid-Since for sending to a variety of domains.
Cheers, Tom Kulzer CEO & Founder AWeber Communications https://www.aweber.com <https://www.aweber.com/> > On Nov 13, 2019, at 1:51 PM, Brandon Long via mailop <mailop@mailop.org> > wrote: > > Does anyone use Yahoo's Require-Recipient-Valid-Since for sending ESP mail? > > Do they still support that after the merger with Oath? > > Brandon > > On Wed, Nov 13, 2019 at 5:29 AM Vaibhav via mailop <mailop@mailop.org > <mailto:mailop@mailop.org>> wrote: > 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 <mailto: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 > <mailto: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 <http://mta5.am0.yahoodns.net/> (98.136.96.77) > 554 delivery error: dd This user doesn't have a yahoo.com <http://yahoo.com/> > account ([EMAIL]) [-9] - mta4274.mail.ne1.yahoo.com > <http://mta4274.mail.ne1.yahoo.com/> > > Email successfully delivery : > > 2019-10-31 11:54:11 > mta5.am0.yahoodns.net <http://mta5.am0.yahoodns.net/> (98.136.96.76)
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