I did and we fixed it!
Thanks all!

Lili Crowley
Postmaster
Verizon Media


On Tue, Dec 10, 2019 at 3:53 PM Blake Hudson via mailop <mailop@mailop.org>
wrote:

> Stephen, we've noticed similar behavior. You might reach out to another
> member of this list, Lili Crowley <lili.crow...@verizonmedia.com>
> <lili.crow...@verizonmedia.com>, if she has not reached out to you
> directly yet. Hopefully she can help speed resolution of this issue for you.
>
> --Blake
>
> Stephen Brown x419 via mailop wrote on 12/5/2019 7:14 PM:
>
> I hope everyone is having a great day today.
>
>
>
> I am writing for assistance with sending to yahoo, AOL, Verizon, etc.
> email servers. Around Sept/Oct of 2019 we started seeing some of our emails
> get deferred for about 4 hours or so to yahoo and company servers. We have
> implemented DKIM/Dmarc and Yahoo feedback loop. Since then we have had 3
> emails come to us from that program. We immediately blocked outbound emails
> to these email address. However, we continue to have issues. Well, this
> past Monday, we noticed that we can no longer send to yahoo servers.
> However, the error messages are still the same.
>
>
>
> Yahoo error message:
>
> Deferred: host mta6.am0.yahoodns.net[67.195.204.77] said: 421 4.7.0
> [TSS04] Messages from x.x.x.x temporarily deferred due to user complaints -
> 4.16.55.1; see https://help.yahoo.com/kb/postmaster/SLN3434.html (in
> reply to MAIL FROM command)
>
>
>
>
>
> I am not sure what to do. We have tried several times to contact yahoo
> postmaster and it always comes back with links to their best practices. We
> are a nonprofit religious group and a school district. We often communicate
> with parents and volunteers who have yahoo accounts.
>
>
>
> Any assistance is greatly appreciated.
>
>
>
> Stephen Brown
>
> Diocese of San Bernardino
>
>
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