Did you know you can easily set up SMTP using your Gmail account? Many Docker containers need SMTP to better work in your environment and Google is coming to your help by giving you an option to activate SMTP. What is SMTP? SMTP, which stands for Simple Mail Transfer Protocol, is an email protocol used for sending email messages from one email account to another. In this step by step guide I will show you how to activate Gmail SMTP to easily integrate it in some docker containers like Vaultwarden, Bitwarden, Joplin, Moodle, Gitea, Lychee, Plausible, ChiefOnboarding, Vikunja etc. that need SMTP to work as expected.
STEP 1
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STEP 2
Access Google Security by clicking the blue link below.
STEP 3
Warning: In order to be able to see the “App Password” section, it’s mandatory to activate 2FA authentication on your Gmail account. If the 2FA authentication is OFF, you cannot set up an App Password.
STEP 4
Click 2-Step Verification. Follow the instructions in the image below.
STEP 5
Scroll down the page until you find App passwords. Click App passwords. Follow the instructions in the image below. ⚠️Warning: If you don’t find the App passwords part, just go to the following link: https://myaccount.google.com/apppasswords
STEP 6
Type in a name for your app, for example SMTP, then click Create. Follow the instructions in the image below.
STEP 7
After you click CREATE at STEP 6, a new pop up window will open with your own 16 characters secret password. Save this secret password somewhere safe. Click Done. Follow the instructions in the image below. ⚠️Warning: Google will generate the password with spaces. You should remove all the spaces and save your password without spaces.
STEP 8
Done! You can now use SMTP whenever you need to. Below you can find an example of SMTP settings to add to some Docker containers that require SMTP. In the image below I will show you an example of how to add SMTP values to the Vaultwarden admin dashboard.
Note: The password is your own app password that you have previously generated at STEP 7.
⚠️Warning: When you type in your app password, remember that there should be no spaces. Google will generate the password with spaces. You should remove all the spaces like in the example below.
Host: smtp.gmail.com Port: 587 Encryption: TLS Username: yourname@gmail.com Password: mpregtwiymludpen
When you test the email settings, everything will work like a charm!
Note: You can use these SMTP settings wherever you need to, not just Docker containers.
Note: Some Docker Containers, like Calcom, use SSL Port 465 instead of STARTTLS port 587.
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This post was updated on Thursday / April 11th, 2024 at 5:46 PM