This article describes how to solve the webmail access issue on FortiMail
The end-user sees the following error while trying to access Webmail:
'Login Failed. Please try again'.
FortiMail admin sees the following error in the Mail Event:
'WebMail: Login for 'firstname.lastname@example.org' from 192.168.2.10 failed'.
The user is allowed to access the FortiMail portal based on the resource_profile/authentication_profile in the first matching recipient policy (matching the recipient address) and not the sender address.
Make sure to have an authentication profile on the policy such as the one below.
If the email matches the system policy, no other policies (domain) will be checked. Consider this, while checking the authentication profile on the policy.
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