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 ...

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 ...

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

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 ...

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 ...

2017/11/26 -1 Client host rejected: cannot find your reverse hostname is encountered. We strongly advise contacting your recipient's email provider to check ...

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 ...

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 ...

2020/10/14 -I configured an A entry in our DNS manager for our domain. But it seems that the configuration of the datacenter's resolution is getting ...