diff --git a/Troubleshooting-Mail.md b/Troubleshooting-Mail.md
index 2e3e2f8..0aca365 100644
--- a/Troubleshooting-Mail.md
+++ b/Troubleshooting-Mail.md
@@ -17,6 +17,11 @@ This maybe requires setting per-application password in Google Account settings
 sudo snap set wekan mail-url='smtp://user@gmail.com:password@smtp.gmail.com:587'
 ```
 
+## OAuth2 proxy
+
+- Google will disable all but OAuth for IMAP, SMTP and POP starting Sept. 30 2024 https://workspaceupdates.googleblog.com/2023/09/winding-down-google-sync-and-less-secure-apps-support.html
+- https://news.ycombinator.com/item?id=39052196 , where is this: "If you can’t switch to OAuth, you can use my proxy to allow any IMAP (or POP/SMTP) client to be used with a “modern” email provider, regardless of whether the client supports OAuth 2.0 natively: https://github.com/simonrob/email-oauth2-proxy . No need for your client to know about OAuth at all." https://news.ycombinator.com/item?id=39052409
+
 ## ProtonMail Bridge
 
 [Source](https://github.com/wekan/wekan/issues/4887)