This process allows online apps to flow through gmail smtp. To configure Gmail obtain an App Password from Google that will allow the intergration.

✅ Recommended Approach (2024 and beyond): Use an App Password

If you have 2-Step Verification enabled on your Google account (which you should), the correct method is to generate an App Password.

🔧 Steps to Generate and Use an App Password:

1. Enable 2-Step Verification
   • Go to your Google Account: https://myaccount.google.com/security
   • Under "Signing in to Google," turn on 2-Step Verification if not already enabled.
2. Generate an App Password
   • After enabling 2FA, go back to the same Security section.
   • Click "App passwords"
   • Sign in again, if prompted.
   • Choose the app (e.g., "Mail") and device (e.g., "Windows Computer") and click Generate.
   • Google will give you a 16-character password (e.g., abcd efgh ijkl mnop).
3. Use this App Password
   • In your legacy app’s email settings, use:
     • SMTP Server: smtp.gmail.com
     • Port: 465 (SSL) or 587 (TLS)
     • Username: your full Gmail address
     • Password: the App Password, not your Google password

📌 Tips:

• If your legacy app only supports SSL, use port 465.
• For TLS, use port 587.
• If the app requires POP or IMAP:
  • Enable it at: https://mail.google.com/mail/u/0/#settings/fwdandpop
  • Use:
    • IMAP: imap.gmail.com, Port 993 (SSL)
    • POP3: pop.gmail.com, Port 995 (SSL)

Google Workspace Admin Instructions:

As a Google Workspace Admin, to allow a user account to create an App Password (needed for legacy apps or SMTP clients), you need to ensure 2-Step Verification (2SV) is enabled and properly configured in your domain. Here's a step-by-step guide:

✅ Step 1: Allow users to use 2-Step Verification

1. Go to the Google Admin console.

2. Navigate to:

   Security > Authentication > 2-step verification

3. Click "Allow users to turn on 2-step verification".