Tell Yahoo it's not fixed yet. -Tim
On Tue, May 14, 2024 at 4:47 AM Gavin Montague via mailop <mailop@mailop.org> wrote: > Hi all, > > I was wondering if anyone had any experience/suggestions regarding > warming an IP address that delivers to Yahoo managed domains (yahoo, > aol, sky.com, etc)? > > We're bringing up a new Postfix instance handling outbound transactional > and marketing emails for our e-commerce site. The IP doesn't appear on > any spam-lists that I can find, we're signing all our emails and > deliverability from the sibling Postfix instances to Yahoo addresses is > entirely fine. List-unsubs & service-feedback on spam are all acted upon > automatically. As best I know: we're a good citizen. > > The new server has been delivering low-volume transaction messages > (receipts, purchased vouchers, etc) for 6 weeks or so and we've been > gradually delivering lower value, higher volume content to our > subscriber list through it for about the past 2 weeks. Hotmail, Gmail, > other big providers are all entirely fine with the volume and we're > seeing accepted messages and expected levels of click-thought > afterwards. > > Except for Yahoo. > > As soon as we send more than a couple of messages to yahoo within a few > minutes we see... > > Messages from 151.236.220.98 temporarily deferred due to unexpected > volume or user complaints - 4.16.55.1; see > https://postmaster.yahooinc.com/error-codes (in reply to MAIL FROM > command) > > Messages get deferred for 6-8 hours before being accepted. > > Yahoo support have said a problem with the IP was "fixed", but the > problem persists. > > Has anyone had particular trouble convincing Yahoo to accept messages? > > Thanks, > > Gavin > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop >
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