Saw your off list email, looking now.
Thanks.
Lili Crowley
Postmaster
Verizon Media
On Thu, Jan 23, 2020 at 1:58 PM Kenneth Vedder via mailop
wrote:
> Hello All,
>
> I've recently had some troubles with email going to Yahoo/AOL/Verizon.
>
> We've been getting these.
>
> see https://help.yahoo.com/kb/postmaster/SLN3434.html
> ... Deferred: 421 4.7.0 [TSS04] Messages from
> 64.246.100.9 temporarily
> deferred due to user complaints - 4.16.55.1; see
> https://help.yahoo.com/kb/postmaster/SLN3434.html
> Warning: message still undelivered after 4 hours
>
> I've tried to work with Yahoo Postmaster Support but keep getting the same
> form email seemingly no matter what I do.
>
> Does anyone have any recommendations for what might be the best course of
> action?
> We tightened up our SPF records, but don't have DKIM enabled at the moment.
>
> Thanks much,
> Ken
> Amplex Internet
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