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Nodemailer/Gmail – What exactly is a refresh token and how do I get one?

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Notes by this answer original’s author: So, I finally managed to figure it out. I’m surprised I couldn’t find more ressources about that so for those who need to use Gmail with Nodemailer I found the answer here: http://masashi-k.blogspot.fr/2013/06/sending-mail-with-gmail-using-xoauth2.html Try creating a new User if you already had one and things ain’t working fine. It … Read more

Sending email fails when two factor authentication is on for Gmail

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Create a custom app in you Gmail security settings. Log-in into Gmail with your account Navigate to https://security.google.com/settings/security/apppasswords In ‘select app’ choose ‘custom’, give it an arbitrary name and press generate It will give you 16 chars token. Use the token as password in combination with your full Gmail account and two factor authentication will … Read more

GmailApp – Add label to specific message, not the thread

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You can do this using the GMail API instead. You need to enable the API for your project. In the editor, select Resources > Advanced Google services, then click on “These services must also be enabled in the Google Developers Console.” There, enable the GMail API. modifyMessage Example of use: modifyMessage(‘me’, messageId, [‘stack’,’overflow’]); // add … Read more

Send mail via Google Apps Gmail using service account domain wide delegation in nodejs

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So I was half-step close to the solution, the problem was that while creating const jwtClient = new google.auth.JWT(googleKey.client_email, null, googleKey.private_key, [‘https://www.googleapis.com/auth/gmail.send’], null); i did not mention the account to be impersonated. The correct initialization should be: const jwtClient = new google.auth.JWT(googleKey.client_email, null, googleKey.private_key, [‘https://www.googleapis.com/auth/gmail.send’], ‘user@domain.com’); To summarize, the correct steps are: Created a project … Read more

Intent filter to download attachment from gmail apps on Android

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I was able to make the download and preview buttons pop up on Android in GMail by removing the scheme data filter in my intent (delete the scheme line and give it a try): <intent-filter> <action android:name=”android.intent.action.VIEW” /> <category android:name=”android.intent.category.DEFAULT” /> <category android:name=”android.intent.category.BROWSABLE” /> <data android:scheme=”file” /> <data android:mimeType=”*/*” /> <data android:pathPattern=”.*\\.ext” /> <data android:host=”*” … Read more

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