Yahoo! JAPAN

2024/4/18 -Symptoms. Emails are not delivered to recipients. Emails remain in mail queue at Tools & Settings > Mail Server Settings > Mail Queue tab.

2013/11/8 -450 4.7.1 Client host rejected: cannot find your hostname. I'm certain that they are using reverse DNS and can not resolve back to my ...

2018/12/23 -The error message 'Client host rejected: cannot find your hostname' is displayed to the sender if his provider has configured the IP ...

2019/6/4 -My postfix host is rejecting my client with this message: 4.7.25 Client host rejected: cannot find your hostname, [96.9.90.28]. From the cli ...

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 ...

THE PROBLEM. The mail server's source IP address which is trying to send mail to parabon.com does not have proper reverse DNS entries setup or the DNS ...

Cannot send mail messages from Plesk server. Client host rejected: cannot find your reverse hostname - Support Cases - Plesk Knowledge Base.

2018/8/22 -1.1 shows no reverse for that IP. Edit: If this is meant to be you as an authenticated user sending mail I can not see anything in the log ...

2021/1/12 -Solved: Hello I have had my email server running for 2 or so years and all reverse/forward dns and PTR records as well as MX and so on and ...

This error means that a computer has attempted to deliver e-mail without a correct reverse DNS. Due to the large quantity of spam messages, ...