[rmccue]

My memory is hazy on it, _but_ from memory, there were some issues around IDs and persistence which don't occur on other servers, as well as the auth being a bit funky. (Gmail also uses its own extension to the protocol for IDs instead of using eg OBJECTID.)

To be clear, I have no opinion on IMAP or what things _should_ do; I certainly was not using IMAP software in the 1990s :) However, trying to implement a client that works across providers does mean trying to operate per the standards, which was a struggle and why I started documenting it :)

[Avamander]

> Gmail also uses its own extension to the protocol for IDs instead of using eg OBJECTID.

When was OBJECTID introduced and when did gmail roll their own implementation, do you happen to know?