This is pretty normal for a new IP sending mail to Yahoo domains. In my experience it takes a week or so for the soft bounces to go away when moving IPs. There are various Yahoo folks who may be able to help you. But you can also open a ticket on their postmaster site. (postmaster.yahoo.com <http://postmaster.yahoo.com/>)
laura > On 4 Nov 2021, at 12:13, Ken Robinson via mailop <[email protected]> wrote: > > I run a cPanel shared host and run a number of mailman2 mailing lists from > different domains. Last week my IP address got changed from 66.35.84.90 to > 172.110.191.18, now on all the mailing lists addresses to AOL, Yahoo, and > Verizon (and any other ones they service) are getting a soft bounce: > > 421 4.7.0 [TSS04] Messages from 172.110.191.18 temporarily deferred due to > unexpected volume or user complaints - 4.16.55.1; > > Can my new IP address be allowed to send email to people who signed up? My > old IP address didn't have this problem. > > Thanks, > Ken Robinson > _______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop -- Having an Email Crisis? 800 823-9674 Laura Atkins Word to the Wise [email protected] (650) 437-0741 Email Delivery Blog: http://wordtothewise.com/blog
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