Yahoo! JAPAN

2024/4/18 -Cause. Incorrect or missing PTR record of the sender's mail server. Resolution. Contact the server hoster or provider of the IP address in ...

2014/12/23 -1 Answer 1 ... You need a PTR record that resolves 128.199.39.109 to the hostname of your sending server. Might also want to look into SPF records ...

Cause. Incorrect or missing PTR record of the sender's mail server. Resolution. Contact the server hoster or provider of the IP address in ...

2021/2/16 -1 . Check the hostname resolves from a workstation other than the server: · 2 . Make sure the IP from the above command is bound to the server by ...

2018/5/8 -The error suggests the destination server is unable to lookup a PTR record for the IP it is receiving the connection from. You may want to ...

2013/11/8 -When a user here sends an email to a particular domain it bounces back with: 450 4.7.1 Client host rejected: cannot find your hostname. I'm ...

2023/12/26 -Hi. What the problem and how to fix ? My custom template: PTR is correct: UPD: My PTR record was not correct.

2019/2/8 -This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank ...

2012/9/7 -This error message is seen when you have sent an email and the remote server rejects the email. In your exchange 2010 or Exchange 2007 queue ...

2022/1/27 -The server rejects emails sent from one of these domains. '450 4.7.1 Client host rejected: cannot find your reverse hostname'; If the Exchange ...