List all IMAP mailbox folders

List recent messages in a folder with subject, from, date. Default folder is INBOX.

Fetch a single email by UID. Returns headers and text body (prefers plain text).

Search messages in a folder by criteria (subject, from, since date, unseen only)

Set or remove flags on a message (e.g., mark as read/unread, flag/unflag)

Move a message to another folder

Delete a message (move to Trash or permanently delete)

Create a reply draft on an existing email thread. Finds the message by UID, sets In-Reply-To and References headers to keep it in the same thread.

Create a draft email in the Drafts folder