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-rw-r--r--Bugzilla/Mailer.pm3
1 files changed, 3 insertions, 0 deletions
diff --git a/Bugzilla/Mailer.pm b/Bugzilla/Mailer.pm
index 633964b33..d5ecb5a38 100644
--- a/Bugzilla/Mailer.pm
+++ b/Bugzilla/Mailer.pm
@@ -58,6 +58,9 @@ sub MessageToMTA {
$part->encoding_set('quoted-printable') if !is_7bit_clean($part->body);
}
+ # MIME-Version must be set otherwise some mailsystems ignore the charset
+ $email->header_set('MIME-Version', '1.0') if !$email->header('MIME-Version');
+
# Encode the headers correctly in quoted-printable
foreach my $header qw(From To Cc Reply-To Sender Errors-To Subject) {
if (my $value = $email->header($header)) {