Gmail

About

Gmail is a free email-hosting service operated by Google.

This page is a seed article. You can help HTYP water it: make a request to expand a given page and/or donate to help give us more writing-hours!

notes

...the heck is X-Google-DKIM-Signature?

• How to View and Analyze Gmail Message Header says: «In addition to various authentications, Google itself adds an X-Google-DKIM Signature field in email header to improve authentication of signatures. The subsequent fields located within the field signifies the information related to digital signatures encoding.» It also gives a breakdown of the terms used.
• 2013-02-14 How did spammer spoof emails with my google apps domain (it even has DKIM!)
• Google Workspace Admin Help:
  • Turn on DKIM for your domain
  • Help prevent spoofing and spam with DKIM

Incidents:

• 2022-08-19 User:Woozle/copypasta/2022/08/19/Roundcube message headers
• 2016-11-13 User:Woozle/2016/11/13/GMail silently dropping messages from cloud2

Links

Reference

• Wikipedia
• service page

Issues

• 2022-08 Pegasus Mail and OAUTH2 authorization with Gmail: an odyssey of obstacles
• 2021-08-12 Gmail reject emails sent from my domain: due to the very low reputation
• 2021-06-30 Why is gmail rejecting my SMTP connection?
• 2020-09-21 Google SMTP servers reject my own SMTP server
• 2020-01-15 Google Mail SMTP changes in 2021
• 2019-07-03 gmail rejecting mail from my domain
• 2016-11-22 Forwarded emails being rejected by gmail as unauthenticated
• 2016-10-14 Google is rejecting SMTP access outside of my state
• 2013-08-21 Why does Google reject my outgoing emails?
• 2012-02-01 Google rejecting mail