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[MK2021]

Hey experts,

Some of my mails are still delivering even with 421 errors in yahoo and hotmail. Should I stop sending mails or put the ips to back off on 421s or I can continue sending my mails since it is delivering with 421 errors.

Please advise which is the way forward!

Thanks in advance,

Kumar

[CaLViN]

You should slow the rate dramatically when you get 421 errors.
If you keep sending,it will turn out to be 550.

[MK2021]

Okay thanks!

I also face a kind of problem with one of my new server in hotmail.

My pmta logs shows my mails are sent but those mails are never reaching my hotmail mailbox. What do you think the possible reason? It happened twice in 5 days for me. First time I applied in hotmail delivery issue form. They replied the messages will start delivering after 24 hours and it did. And now again, some of those mails got vanished.

FYI, my snds reports show the previous 2 days stats as all green and all Ips are in normal status.

I am kinda confused since this is being the first time I am seeing this issue.

Your advices are much appreciated!

Thanks

Kumar

[CaLViN]

Kumar,
your emails are going to blackhole.You might rest ips for several days and then start with a lower volume.

[MK2021]

Can you share the pmta configuration to back off all SMTP errors in hotmail.