How to configure Hostname in PowerMTA

By default, PowerMTA uses the server’s hostname. You can specify a custom hostname per Virtual MTA. To set a hostname

iRedMail Intentional policy rejection

On an iRedMail, when receiving an email from steam, the mail server rejects the email with the error message “Recipient

554 5.7.1 Unknown Sender in Local Domain

554 5.7.1 Unknown Sender in Local Domain

When sending an email from one server to another, the email gets bounced with an error The error is because

Google Workspace DKIM authentication settings failed.

When generating DKIM in google Google Workspace I got the following error message. This error happens when you have a

.forward file

.forward file

Users can create a .forward file in their home directories that is used by mail servers like exim, sendmail used

postfix mail server

postfix smtp Must issue a STARTTLS command first

When sending an email to a server, mail bounced with the following error message. To fix the error, first enabled

Mailwizz

Mailwizz

Where MailWizz configuration file located?

Where Mailwizz configuration file located?

Where Mailwizz configuration file located?

Mailwizz configuration file located at When you migrate a MailWizz installation, you need to update this file and change Database

How to find Zimbra mail server version

How to find Zimbra version

To find the Zimbra version, log in to the server using SSH, then run the following commands. Switch to user

Flush exim mail queue

Flush exim mail queue

To flush mail queue, run command Force another queue run Force another queue run and attempt to flush the frozen

Microsoft 365

Microsoft 365

Exchange admin center URL https://outlook.office365.com/ecp/ (old) https://admin.exchange.microsoft.com/#/homepage (new) Login to webmail https://outlook.office365.com/ Admin Area https://admin.microsoft.com/ How to open support request

Roundcube add generic message in footer

Roundcube add generic message in footer

Add message to footer of outgoing mails. Edit config/defaults.inc.php Add Now in root folder of roundcube, create a file message_footer.txt