Mail1 Blocked on Yahoo!

[hafa]

Getting a 421 4.7.1 bounce when sending mail to Yahoo! accounts:

http://help.yahoo.com/kb/index?page=content&y=PROD_MAIL_ML&locale=en_US&id=SLN3436&impressions=true

 

[Shubham]

Request you to open support ticket with mention domain name and bounce message. So we can check and get back to you on ticket.

 

[hafa]

Support ticket submitted.

 

[Shubham]

Thanks for your co-operation.We are working to resolve your issue as immediately as possible and update you back on ticket.

 

[Mycroft]

I am also getting NDRs for messages to Yahoo addresses. Should I open a ticket as well?

 

[SachinK]

We're aware of the concerned issue and working on it. However, if you'll open a support ticket then we'll update you on it as soon as the issue will be fixed.