I made no such assumption, I wrote "web (or desktop)". Web is what I have now. A problem with desktop clients is that they are usually generic IMAP clients, me

I made no such assumption, I wrote "web (or desktop)". Web is what I have now. A problem with desktop clients is that they are usually generic IMAP clients, meaning they have limited support for server-side search, non-standard features like labels, and creating server-side filters.