When using Verizon SMTP Emails are rejected. Why is Verizon on these lists?
Action: failed
Status: 5.0.0 (Rejection greeting returned by server.)
Remote-MTA: dns;mx00.emig.kundenserver.de
(TCP|206.46.173.17|62383|212.227.15.40|25)
(kundenserver.de [mxeue002] Nemesis ESMTP Service not available)
Diagnostic-code: smtp;554-kundenserver.de (mxeue002) Nemesis ESMTP Service not
available No SMTP service IP address is black listed. For explanation visit
http://postmaster.1and1.com/en/error-messages?ip=206.46.173.17&c=bip
I had the same error when sending to someone who had 1&1 as the email service provider.
Your message cannot be delivered to the following recipients:
Recipient address: xxxx@xxxx.com (redacted)
Reason: Rejection greeting returned by server.
Diagnostic code: smtp;554-perfora.net (mxeueus004) Nemesis ESMTP Service not available No SMTP service IP address is black listed. For explanation visit http://postmaster.1and1.com/en/error-messages?ip=206.46.173.7&c=bip
Remote system: dns;mx00.1and1.com (TCP|206.46.173.7|24645|74.208.5.3|25) (perfora.net [mxeueus004] Nemesis ESMTP Service not available)
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