1 files changed, 7 insertions, 0 deletions
diff --git a/man/mmime.1 b/man/mmime.1
index 8fbf26b..618f126 100644
--- a/man/mmime.1
+++ b/man/mmime.1
@@ -46,6 +46,13 @@ Override Content-Type for the toplevel part.
 Defaults to
 .Sq Li multipart/mixed .
 .El
+.Sh ENVIRONMENT
+.Bl -tag -width Ds
+.It Ev MBLAZE_RELAXED_MIME
+If set,
+.Ic Nm Fl c
+will relax the body line length check and only consider bodies with lines
+longer than 998 characters need to be MIME formatted.
 .Sh EXIT STATUS
 .Ex -std
 .Sh SEE ALSO