Troubleshooting Tip: Unable to login using POP3/SMTP or Webmail, -error showing: SMTP authentication failure: authid=example@domain.com, authtype=PLAIN, client_ip=XX.XX.XX.XX, detail=SASL(-1): generic failure: Password verification failed

Description

This article describes how to troubleshoot the error Unable to login using POP3/SMTP or Webmail, -error showing: SMTP authentication failure: authid=example@domain.com, authtype=PLAIN, client_ip=XX.XX.XX.XX, detail=SASL(-1): generic failure: Password verification failed.

Scope

 FortiMail server mode.

Solution

1. Mail client unable to login to FortiMail mail server to retrieve email via POP3

2. Error showing as follow when navigate under Monitor -> Log -> Mail Event -> Sub type : POP3.
   
   

SMTP authentication failure: authid=Example@domain.com, authtype=PLAIN, client_ip=XX.XX.XX.XX, detail=SASL(-1): generic failure: Password verification failed

Solution:

• Navigate under the relevant domain that encounters the issue Domain & User -> Domain -> Domain.

• Select the specific problematic domain; expand on Advanced Settings and select Other.

• Disable the 'Enable domain level service setting' limit under Service Setting and select 'OK'.

• Navigate under Policy -> Recipient Policy -> Inbound -> Domain: Relevant domain -> Resource column and select the Resource profile hyperlink.

• Make sure the 'User account status' is enabled for the web access to take effect.