Yahoo! JAPAN

2022/8/28 -As far as I can tell, the error message is "reverse hostname" related. I am outside my normal hostname. But Thunderbird should log in and still ...

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 order ...

2018/8/22 -Everything is working properly except receiving mails (which should obv. work). I'm running the setup in a systemd-nspawn container. the postfix ...

The mail log at /var/log/maillog contains the following error regarding deferred/rejected email: 450 4.7.1 Client host rejected: cannot find your hostname.

2021/2/16 -Description. Checks against the hostname are needed to ensure that the hostname is properly resolving to the server. Here are the commands ...

2020/8/10 -Client host rejected: cannot find your hostname i did rebuild mail server, restarting All mail services and Update ClamAV.. rebooting server and ...

Hi,. I'm using zimbra with Postfix as MTA. I got the following error message which indicate mail rejection based on hostname not find.

2019/2/8 -The above example would reflect the following error: NOQUEUE: reject: RCPT from unknown[200.30.40.50]: 450 4.7.1 Client host rejected: cannot ...

2023/5/15 -- Deployed with iRedMail Easy or the downloadable installer? - Linux/BSD distribution name and version: Ubuntu 18.04 - Store mail accounts in ...

2008/11/24 -So, I am getting this for some email coming in. But I want to allow it. Here is the log: Nov 23 21:00:47 zimbra postfix/smtpd[15582]: ...