Rated 5 out of 5 stars

per Aaron Leonard el set. 28, 2015 · enllaç permanent

I recently upgraded all the way from Tbird 16 to 38.2.0, and this extension broke. As the previous poster noted, when you now try to use an address with no hostname portion, you get the (misleading) error "there are non-ascii characters in the local part of the recipient address".