<\/span><\/h3>\nThe two-step verification process often interrupts the SMTP server’s work. It’s because it does not let less secured apps get used. You can turn this option off through these steps.\u00a0<\/span><\/p>\n\n- Navigate to your <\/span>Gmail<\/span> account.<\/span><\/li>\n
- From the drop-down menu, choose ‘<\/span>Manage your account<\/b>.’<\/span><\/li>\n
- Now, choose ‘<\/span>Security<\/b>‘ from the left panel.<\/span><\/li>\n
- Choose the option of ‘<\/span>Two-step verification<\/b>‘ when you are logging into Google.<\/span><\/li>\n
- Fill in your Gmail account’s password.<\/span><\/li>\n
- Tap the ‘<\/span>Turn off<\/b>‘ button to disable two-step verification.<\/span><\/li>\n
- After you click it, confirm your choice.<\/span><\/li>\n<\/ul>\n
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<\/span>2. Generate An App Password to Send Messages to a Third-Party<\/b><\/span><\/h3>\nGenerating app passwords is also a good solution to use when you find the Gmail SMTP server not working. But for it, you need to enable two-factor authentication. Here are the steps to generate it.<\/span><\/p>\n\n- Navigate to ‘<\/span>My Account<\/b>‘ in Gmail and opt for ‘<\/span>Security<\/b>.’<\/span><\/li>\n
- Next, scroll down and choose ‘<\/span>Signing into Google<\/b>‘ from the drop-down.<\/span><\/li>\n
- Next, choose ‘<\/span>App Password<\/b>‘ from the menu. Now enable two-factor authentication.\u00a0<\/span><\/li>\n
- Choose ‘<\/span>Two-step verification<\/b>\u2019 present on the menu of ‘<\/span>Signing in to Google<\/b>.’<\/span><\/li>\n
- Now enter your password.<\/span><\/li>\n
- Enter the OTP number and activate two-step verification.<\/span><\/li>\n
- From the application list, choose the one you need.<\/span><\/li>\n
- Now, choose the option of ‘<\/span>Select Device<\/b>‘ and then select the device that you are using to access Gmail.<\/span><\/li>\n
- Hit the ‘<\/span>Generate<\/b>‘ button.<\/span><\/li>\n
- Input the password in the yellow bar. Then tap ‘<\/span>Done<\/b>.<\/span><\/li>\n<\/ul>\n
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<\/span>3. Enable Less Secure Apps to Allow Gmail SMTP to Work<\/b><\/span><\/h3>\nAre you using Gmail as your outgoing server but cannot send email? It means that Google is blocking sign-in trials from your devices. Both users of Google apps, as well as other Google users, can fix this problem by allowing less secure apps access.\u00a0<\/span><\/p>\n\u00a0<\/span><\/p>\n<\/span>For Google Apps Users<\/b><\/span><\/h4>\nIf you use the Google app, you require your administrator to enable the users to modify less secure app policies. If you yourself are the administrator, go through these steps to allow your users to manage their access to less secure applications.<\/span><\/p>\n\n- Go to the ‘<\/span>Control Panel<\/b>‘ of Google apps.\u00a0<\/span><\/li>\n
- Choose ‘Security’ followed by ‘<\/span>Basic Settings<\/b>.’<\/span><\/li>\n
- Choose ‘<\/span>Less Secure Apps<\/b>.’ Then, tap ‘<\/span>Go to Settings for less secure apps<\/b>.’<\/span><\/li>\n
- Choose ‘<\/span>Allow users to manage their access to less secure applications<\/b>.<\/span><\/li>\n<\/ul>\n
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<\/span>For Those Who Don’t Use Google Apps<\/b><\/span><\/h4>\nIf you don’t use Google Apps, you must first check whether you have disabled two-step verification. Follow the steps mentioned in the earlier part. If you’ve already disabled two-step verification, follow these points.<\/span><\/p>\n\n- Sign in to the ‘<\/span>Less safe apps<\/b>‘ page through your account. This option is needed by email clients like Outlook. They are usually not considered insecure.\u00a0<\/span><\/li>\n
- Now, choose the ‘<\/span>Enable<\/b>‘ option.<\/span><\/li>\n<\/ul>\n
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<\/span>4. Send a Test Email<\/b><\/span><\/h3>\nNow you can check SMTP settings by sending a test email to yourself. But if you cannot send a test email, follow these points.<\/span><\/p>\n\n- Inspect the authentication credentials of SMTP settings.<\/span><\/li>\n
- Next, examine the security settings for SMTP of your SMTP server provider.<\/span><\/li>\n
- Find if there’s network access from SMTP to CSO.<\/span><\/li>\n
- Now find if the firewall is obstructing SMTP traffic to the server. It’s possible that the ports are blocked.<\/span><\/li>\n
- If you find no issues in the server and authentication settings, the firewall must be blocking SMTP traffic as well as ports <\/span>587<\/b> and <\/span>465<\/b>.<\/span><\/li>\n
- In this case, you must contact your network administrator to unblock the ports and traffic.<\/span><\/li>\n<\/ul>\n
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<\/span>5. Change the Status of IMAP<\/b><\/span><\/h3>\nThe Internet Message Access Protocol allows you to check emails on every device in real-time. Changing its status by re-enabling it will help you troubleshoot Gmail SMTP not working problem.<\/span><\/p>\n\n- Launch Gmail and tap the gear symbol on the top right part.<\/span><\/li>\n
- Tap ‘<\/span>See all settings<\/b>.’<\/span><\/li>\n
- In the window that appears, select ‘<\/span>Forwarding and POP\/IMAP<\/b>.’<\/span><\/li>\n
- Go down and tick ‘<\/span>IMAP Access<\/b>