I should always test my patches thoroughly! Commit 912fcec was not working as planned. This is!
0a8c322 plug-ins: if --with-sendmail is set with a value, use it. (2)
configure.ac | 6 ++++--
plug-ins/common/mail.c | 32 +++++++++++++++++++++-----------
2 files changed, 25 insertions(+), 13 deletions(-)
Upstream: git.gnome.org