The context manager pattern in ietf.utlis.mail is hard to read and maintain

`owner:rjsparks@nostrum.com` `resolution_fixed` `type_defect`   |    by rjsparks@nostrum.com

___


Try reworking the construct with inline try:/except: blocks.

___
_Issue migrated from trac:1390 at 2022-03-04 03:43:08 +0000_