I have gotten email from an external person addressed to an account x&y@domain.com instead of xny@domain.com.
& is a valid character in email addresses.
It is caught in the catchall and I would like to add it as an alias/nickname of xny@domain.com
But it isn't allowed.
I'm thinking of putting a forwarding rule in the catchall, but this requires the user to click and approve.
Are there any other options? For instance, the x+y@domain.com routes to x@domain.com automatically, but this doesn't seem to do that since both x@domain.com and y@domain.com already route to xny@domain.com as nicknames/aliases.
