When used from caff:

Mail signature for Neil Williams (Debian) <codxxxxx@debian.org> to
'codxxxxx@debian.org'? [Y/n]
Use of uninitialized value $name in pattern match (m//) at
/usr/share/perl5/Mail/Internet.pm line 536.
Use of uninitialized value $name in sprintf at
/usr/share/perl5/Mail/Internet.pm line 541.

Hello Mark,

I'm forwarding this bug report to you as upstream author.

Please preserve the CC to 495242-forwarded@bugs.debian.org when you
reply, so that the bug tracking system will file your reply with the
original report.

The corresponding web page of this bug report is at:

http://bugs.debian.org/495242

The debian bmailtools-perl bug reports are at:

http://bugs.debian.org/libmailtools-perl

Thank you,

Aníbal Monsalve Salazar