Address#to_s changes the input passed to it - dup before calling.

Otherwise UTF-8 encoded strings will be returned as ASCII-8BIT.

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/mail_handler/backends/mail_backend.rb b/lib/mail_handler/backends/mail_backend.rb
index 190e79e97..c8066f1fa 100644
--- a/lib/mail_handler/backends/mail_backend.rb
+++ b/lib/mail_handler/backends/mail_backend.rb
@@ -358,11 +358,11 @@ module MailHandler
                     raise "invalid email " + email + " passed to address_from_name_and_email"
                 end
                 if name.nil?
-                    return Mail::Address.new(email).to_s
+                    return Mail::Address.new(email.dup).to_s
                 end
                 address = Mail::Address.new
-                address.display_name = name
-                address.address = email
+                address.display_name = name.dup
+                address.address = email.dup
                 address.to_s
             end