Okay, I must have something misconfigured. I could have sworn it worked a few months ago.
$ reportbug -k menu *** Welcome to reportbug. Use ? for help at prompts. *** Note: bug reports are publicly archived (including the email address of the submitter). Detected character set: UTF-8 Please change your locale if this is incorrect. Using 'b17 <bwtn...@yahoo.com>' as your from address. Getting status for menu... Will send report to Debian (per lsb_release). Maintainer for menu is 'Bill Allombert <ballo...@debian.org>'. Rewriting subject to 'menu: Thanks for packaging menu!' Spawning sensible-editor... No changes were made in the editor. Message will be sent to m...@packages.debian.org Send this message (e to edit) [y|n|a|c|E|i|l|m|p|q|d|t|s|?]? y Report is unchanged. Edit this report or quit [E|q|s|?]? s Sending empty report anyway... Saving a backup of the report at /tmp/reportbug-menu-backup-20180523-14318-dcelk7kd Connecting to packages.debian.org via SMTP... SMTP send failure: {'m...@packages.debian.org': (550, b'HELO mismatch Forged HELO for ([127.0.0.1])')}. Do you want to retry (or else save the report and exit)? [Y|n|q|?]?