Since the CRAM-MD5 authorization method is considered to be out of date, we are deactivating it on the smtp.forpsi.com server.
Below is an overview of mail clients that support this type of authorization and a guide on how to choose a more reliable method of authorization.
ThunderbirdRight click on the account name in the left menu and select Settings.
At the bottom right, click the "Edit SMTP server..." button on the "Outgoing server (SMTP):" line.
The setting Authentication Method "Encrypted password is inappropriate.
Select Connection security "STARTTLS", Port "587" and Authentication Method "Normal password".
These settings are correct
Save the settings
Click Mail and then Preferences from the main menu of Apple Mail.
This will bring up a preferences screen where you should then select the Accounts tab.
Choose the Server settings tab and check the settings.
Uncheck both “Automatically manage connection settings” checkboxes and check Authentication.
Authentication Method MD5 Challenge-Response is obsolete and thus inappropriate
Set the authentication for IMAP and SMTP server to Password.
Go to Settings and choose Accounts and Passwords
Tap on your account
Tap on smtp.forpsi.com
Authentication Method MD5 Challenge-Response is obsolete and thus inappropriate
Select Authentication Method "Password"
If you are using the email account to authorization on the printer HP Color LaserJet MFP M477fdw, contact our customer support.