57875: Acronis Cyber Protect Home Office, Acronis True Image: E-mail Notifications to Gmail Fail with "Authentication failed"

Last update: 16-05-2023


  1. You set up e-mail notifications to Gmail.
  2. Sending e-mail notifications fails with:
    Authentication failed


From May 30, 2022, Google no longer supports the use of third-party apps or devices which ask you to sign in to your Google Account using only your username and password. As a result, the option Less secure apps doesn’t exist anymore, and the configuration procedure was completely changed.
  1. To use a Gmail account as email service, do the following:


  2. In the program settings specify in this order:
    1. SMTP server: smtp.gmail.com
    2. Encryption: TLS
    3. Port: 587

    It is important to select the encryption type first, and then specify the port.

  3. In the SMTP authentication section specify your Gmail e-mail address and the generated password in step 1

Click Send test message to check if the e-mail can be delivered successfully.