X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FMailer.pm;h=d609e3e1192fb09258009403a5e82fb4f66d703e;hb=e45da3008937139edf0078e6b157f1e9bf5c46f0;hp=b066499c464a2a48250bd2340d85fbb00a0a0fea;hpb=53e988b8907baa17f684ee66c6b7aa90fe7c27fb;p=kivitendo-erp.git

diff --git a/SL/Mailer.pm b/SL/Mailer.pm
index b066499c4..d609e3e11 100644
--- a/SL/Mailer.pm
+++ b/SL/Mailer.pm
@@ -248,11 +248,12 @@ sub send {
   # Set defaults & headers
   $self->{charset}        =  'UTF-8';
   $self->{content_type} ||=  "text/plain";
-  $self->{headers}        =  [
+  $self->{headers}      ||=  [];
+  push @{ $self->{headers} }, (
     Subject               => $self->{subject},
     'Message-ID'          => '<' . $self->_create_message_id . '>',
     'X-Mailer'            => "kivitendo " . SL::Version->get_version,
-  ];
+  );
   $self->{mail_attachments} = [];
   $self->{content_by_name}  = $::instance_conf->get_email_journal == 1 && $::instance_conf->get_doc_files;