I am a mail account hoarder (9 so far and more coming) and offlineimap together with mu4e is the best email client for multiple IMAP accounts across multiple ma

I am a mail account hoarder (9 so far and more coming) and offlineimap together with mu4e is the best email client for multiple IMAP accounts across multiple mail servers. For sending mail I have message-mode and smtpmail.el (both come with Emacs) set up to handle composing and replying across the multiple email addresses. I also set up smtpmail to queue mail and run in a sub-process - this gives gmail-like "undo sending this email" functionality, ability to compose and reply to messages off line, and most importantly does not block the parent Emacs process when sending email, while providing better error and progress output. Planning to write a blog post about this configuration, but in the meantime I am happy to share privately - vsedach@gmail.com