Mail.app.weird
Finally got around to switching one of my other domains to elahost, which is hosting this site. The web site moved over pretty smoothly, but mail proved to be another matter entirely.
Having created an identical mail account on elahost before changing the dns entries, I expected to be happy after simply changing the mail server in Mail.app setup. Indeed I was able to send and receive mail without interruption after hitting “ok”, but suddenly my inbox and sent folders were empty!
A moment’s thought told me I should have expected this, since I was using IMAP. Ok, that mystery solved. But why now can I not see any folder but “INBOX” on the new server?!
Not sure why, even now that it’s working. I seem to have fixed it by changing the username from “me+domain.com” to “me@domain.com”, two forms which the provider docs say should be equivalent. Don’t know if I knocked something loose in Mail.app, or if it’s a bug in whatever mail account system they’re using on elahost..