D. Hugh Redelmeier via Talk wrote on 2026-02-24 05:49:

I glance at the alpine users mailing list.  A fair bit of the trafic is 
about IMAP authentication: GMAIL seems to have changed how that works 
(OMAP2, I think).  People do struggle but have solutions.

Can confirm, Alpine does IMAP with Gmail.

I recall having to set up an application password via Google's web site and use that for ¿OAuth2? authentication, I think.