What is the reason classifier show 'Access Control-Reject' in history log

Forum|Forum|27 days ago
July 17, 2026
3 replies
39 views

This article describes what is the reason email got rejected by FortiMail, with the classifier showing as 'Access Control-Reject' in the history log.

S

Saml2Author

New Member

any one please help

AEK

SuperUser

The most common reason is someone is trying to use your MTA as open relay. It means one external person or bot is trying to send an email to an “external” entity using your mail gateway, while only your legitimate email server has the right to do that.

AEK

S

Saml2Author

New Member

this happens when after legitimate external senders heve been sent to our/internal then followed by succesfull delivery this error message sent to himsel/sender

Sign up

Login with SSO

Login to the community

Login with SSO