That I&#x27;m not 100% sure of. I know for receiving, you&#x27;d just configure OfflineIMAP to deliver each account&#x27;s messages into a different folder, and just switch between them in Mutt, but I don&#x27;t know how it would work for distinct from-addresses, contact lists, etc.<p>Some quick googling[1] makes it look like you indeed do that first thing, and then set up a hook to load a different configuration file when you enter the folder for a different mailbox.<p>[1]: <a href="https:&#x2F;&#x2F;www.df7cb.de&#x2F;blog&#x2F;2010&#x2F;Using_multiple_IMAP_accounts_with_Mutt.html" rel="nofollow">https:&#x2F;&#x2F;www.df7cb.de&#x2F;blog&#x2F;2010&#x2F;Using_multiple_IMAP_accounts_...</a>