I want to set up a catchall mail forwarding address for *@mydomain to an e-mail account I've had for years. The documentation at https://docs.opalstack.com/user-guide/email/#adding-email-addresses is suggestive that this should be possible: step 7 says "If you want the new address to deliver to a mailbox", implying that it's not required. But the UI told me that "At least one mailbox must be defined", and wouldn't display the green button to create the email address until I set up a mailbox and associated it with the catchall.
Does this mean that I'm going to have to set up a cron job or something similar to delete and purge all messages older than X days from an IMAP mailbox in order that the forward doesn't stop working when the mailbox fills up?
