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-rw-r--r--actionmailer/lib/action_mailer/delivery_method/smtp.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionmailer/lib/action_mailer/delivery_method/smtp.rb b/actionmailer/lib/action_mailer/delivery_method/smtp.rb
index 86b0ae8329..95c117c9e0 100644
--- a/actionmailer/lib/action_mailer/delivery_method/smtp.rb
+++ b/actionmailer/lib/action_mailer/delivery_method/smtp.rb
@@ -16,7 +16,7 @@ module ActionMailer
def perform_delivery(mail)
destinations = mail.destinations
mail.ready_to_send
- sender = (mail['return-path'] && mail['return-path'].spec) || mail['from']
+ sender = (mail['return-path'] && mail['return-path'].spec) || Array(mail.from).first
smtp = Net::SMTP.new(settings[:address], settings[:port])
smtp.enable_starttls_auto if settings[:enable_starttls_auto] && smtp.respond_to?(:enable_starttls_auto)