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 order ...

2024/4/15 -This article helps troubleshoot common errors that may be encountered during the discovery process of UNIX or Linux computers.

2024/4/3 -Upon reviewing our logs, the emails sent to @Arcor.de were rejected with the error message "4.7.25 Client host rejected: cannot find your reverse hostname, [ ...

2024/4/30 -This article addresses configuring Google Workspace Business and Education editions with the Barracuda Email Security Gateway as your inbound and/or outbound ...

2024/3/25 -Multiple causes can lead to this error message: The Kerberos ticket is not accepted by the remote host: Check if you set up the correct service principal names ...

2024/2/19 -Troubleshooting checklist · Domain Name System (DNS): Anytime you have an issue joining a domain, one of the first things to check is DNS. · Netsetup. · Network ...

2024/4/9 -​​ Error 1018: Could not find host. ​​ Common causes. The Cloudflare domain was recently activated and there is a delay propagating the domain's settings to ...

2024/2/22 -This setting allows you to reject messages in which the recipient exists as an address of your server's primary hostname. In general, the primary hostname, a ...

2024/3/26 -... reverse DNS lookup in your DNS configuration. * A ... Check your client application, proxy, and logging ... You cannot monitor Windows host information remotely.

2024/3/15 -Do you see the “Error: 1801” message? · The hostname of the print server that hosts the destination queue is greater than 15 characters. · This can happen if the ...