[mailop] Trouble sending to cox.net - CXCNCT / CXMXRT

[Renate Burns via mailop]

Hi everyone,

One of my clients is having trouble getting messages delivered to cox.net
recipients. Messages are deferred with the CXCNCT or CXMXRT error codes. We
have connection limits in place, limiting concurrent connections per IP to
5.

If there's anyone from Cox here I'd really appreciate it if you could reach
out off-list so I can provide more detailed information, or let me know if
you have a good direct contact I can reach out to.


Thanks,
Renate
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Re: [mailop] Trouble sending to cox.net

[James Hoddinott via mailop]

Responded to this one off-list (not intentionally, just forgot to
reply-all!)

On Thu, 15 Oct 2020 at 16:40, Mark Fletcher via mailop 
wrote:

> Hi All,
>
> Cox.net is throttling our new email server for groups.io, at
> 66.175.222.108, with "server temporarily unavailable" messages. If there's
> someone from Cox on here, can you please take a look?
>
> Thanks!
> Mark
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>


-- 
James Hoddinott
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[mailop] Trouble sending to cox.net

[Mark Fletcher via mailop]

Hi All,

Cox.net is throttling our new email server for groups.io, at
66.175.222.108, with "server temporarily unavailable" messages. If there's
someone from Cox on here, can you please take a look?

Thanks!
Mark
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