SMTP Gmail service configuration in 2N Access Commander
Gmail in the role of SMTP server in 2N Access Commander offers greater security options for e-mail communication than standard freely available SMTP services.
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Requirements & Ports
The 2N Access Commander supports these ports:
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Google account settings
Due to the enhanced security of Google services, you are not able to use the Gmail SMTP server right away. You have to set up the 2-Step Verification firstly.
Create an App password (with 2-Step Verification)
This is the only way to connect your Gmail account with the 2N Access Commander.
With this option, you will get a one-time password that you will use to log in to the SMTP settings in the 2N Access Commander.
- After you activated the 2-Step Verification for the Google account, please visit this site: https://myaccount.google.com/apppasswords
- In the next step, you will have to create a new app specific password, and name it for better identification.
Then it will generate a unique password that you'll use later in the 2N Access Commander configuration.


| The password cannot be displayed anymore after you press the DONE button! |
2N Access Commander configuration
After you have successfully set up your Google account, you now need to set up the 2N Access Commander as well.
- In the web interface of the 2N Access Commander go to Settings > (Configuration) EMAIL > enable the SMTP service and click on some of the SMTP SETTINGS:
- Enter the Server Address and Port - in this case, the SMTP server is smtp.gmail.com and port 587 (TLS encryption) or 25 (unsecured).
- The User name is your full e-mail address including the domain, then enter the Google App Password - it will be stored only in the 2N Access Commander.
- The Default sender address will be the same as the user name which was filled above.
- Enable the TSL, validation of the server certificate, and Legacy mode and hit the CHANGE button to save it.

- You can also test, whether you've set everything correctly. Enter a valid Test E-mail Address (an address to which your test email will be sent) and click on SEND TEST E-MAIL. You should be able to receive an e-mail with a testing message.
If you get a message Test email FAILURE, please double check that you set everything correctly according to this manual, otherwise please contact our support: https://support.2n.com
| If you are having issues with sending an e-mail, try to enable or disable (default) the Legacy mode. |