On 1/28/2017 12:26 PM, David Andrews wrote:
I run a cPanel system that, among other things, supports about 300
Mailman lists. We have about 20,000 users. I am getting lots of bounced
messages from roadrunner.com and various XXX.rr.com domains. It looks
like they may be blocking my domain nfbnet.o
On 01/28/2017 10:26 AM, David Andrews wrote:
>
> When I look at a mail delivery report via cPanel, I see messages that
> say 421 too many concurrent connections, connection refused. What can I
> change to fix this problem!
That's a retryable error and may or may not eventually be successfully
r
I run a cPanel system that, among other things, supports about 300
Mailman lists. We have about 20,000 users. I am getting lots of
bounced messages from roadrunner.com and various XXX.rr.com domains.
It looks like they may be blocking my domain nfbnet.org although I am
not sure how you tell.