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<p3plsmtpa07-05.prod.phx3.secureserver.net[173.201.192.234]>: Client host rejected: "Client hostname

Hi 

 

I have a problem with my emails. (UBS.az).

Today I received mail from the postmaster.

 

Reason: There was an error while attempting to deliver your message with [Subject: "t 3"] to v.mammadzada@asan.gov.az. MTA p3plsmtpa07-05.prod.phx3.secureserver.net received this response from the destination host IP - 31.170.236.90 -  554 , 554 5.7.1 <p3plsmtpa07-05.prod.phx3.secureserver.net[173.201.192.234]>: Client host rejected: "Client hostname blocked."
.

I think  173.201.192.234 your ap address is blocked

 

https://mxtoolbox.com/SuperTool.aspx?action=mx%3a173.201.192.234&run=toolpage#

 

Please remove your mail is a block list

 

Thanks

 

Veis Mammdzade

 

v.mammadzade@gmail.com