Less Secure Apps Gmail Settings. Click the link “Learn more” inside the email to be taken to a support page explaining limited access for less secure apps. Under “Change account access for less secure apps”, click the link to the “Less secure apps” to open your Gmail account access settings. On this page, simply select “Turn on” from the two options. Now turn on Allow less secure apps:ON toggle button in the new page. Now click the back arrow in the title, you can find the Allow less secure apps has been turned on. You can access your gmail account in your Python code now. But as google said this action is not recommended, because there will be risks for you gmail account. To enable the option in Gmail: Log into your account at Gmail.com, then open another tab and go the Less Secure Apps Setting, and select “Turn on”. You may also check the Gmail article on this subject.
Gmail's Default POP3 and IMAP Settings . SMTP settings are only for sending email; you'll also need to provide the settings for receiving emails. Receiving mail is done through POP3 or IMAP servers. Before you identify those settings in your email client, enable access through settings within Gmail by going to Settings > Forwarding and POP/IMAP. To enable the option in Gmail: Log into your account at Gmail.com, then open another tab and go the Less Secure Apps Setting, and select “Turn on”. You may also check the Gmail article on this subject.
In Thunderbird Account Settings changed Normal Password to oAuth2. using servers gmail.com or googlemail.com does not matter both work. Turned off Allow less Secure Apps in your gmail account settings in Google. What is interesting is that I "Allow" an Exception of google.com and I guess that does not include subdomains.
MY SERVER SETTINGS ARE NOT THE ISSUE! I HAVE ALREADY DONE THAT, AND MUCH MORE. I'm simply trying to find the option I should see to "Allow apps that use less secure sign in", which I cannot find, in hopes that that might solve the problem. I'm fairly sure it's an issue on Yahoo's side, as it has been far too regularly over in the past 20 years. How to Enable Less Secure App in Gmail and G-suite? To authorize your less secure applications in Gmail and G Suite, the user needs to follow a few steps as both Gmail and G Suite administer certain policies to safeguard your data.Due to the strict security policies, certain users are unable to use a few applications in Gmail and G Suite as their devices are not compatible. Find How to Allow less secure apps in Gmail Account. Step by step way to Turn On Less secure app access from Gmail Security Settings. Enable the 'less secure apps' setting for your Google Account, or use app passwords with multi-factor security, to connect Gmail to programs and services it deems a security risk.