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我正在使用Mandrill API管理我的rails項目上的action_mailer。當我得到確認時，我正在按照教程做一切正確的事。相反，我去這樣的：'getaddrinfo：節點名或服務器名已提供或未知'用於Mandrill電子郵件註冊
Devise::Mailer#confirmation_instructions: processed outbound mail in 26.2ms
Sent mail to [email protected] (520.8ms)
Date: Sat, 31 Oct 2015 14:48:35 -0400
From: "Goose @ VBooked" <[email protected]>
Reply-To: "Goose @ VBooked" <[email protected]>
To: [email protected]
Message-ID: <[email protected]il>
Subject: Confirmation instructions
Mime-Version: 1.0
Content-Type: text/html;
charset=UTF-8
Content-Transfer-Encoding: 7bit
<p>Welcome [email protected]!</p>
<p>You can confirm your account email through the link below:</p>
<p><a href="http://localhost:3000/users/confirmation?confirmation_token=fFq8sRnP6fEsyWnGk8w1">Confirm my account</a></p>
(2.8ms) rollback transaction
Completed 500 Internal Server Error in 646ms (ActiveRecord: 6.0ms)
SocketError (getaddrinfo: nodename nor servname provided, or not known):
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/net/smtp.rb:541:in `initialize'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/net/smtp.rb:541:in `open'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/net/smtp.rb:541:in `tcp_socket'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/net/smtp.rb:551:in `block in do_start'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/timeout.rb:89:in `block in timeout'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/timeout.rb:99:in `call'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/timeout.rb:99:in `timeout'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/net/smtp.rb:550:in `do_start'
/Users/Goose/.rbenv/versions/2.2.0/lib/ruby/2.2.0/net/smtp.rb:520:in `start'
mail (2.6.3) lib/mail/network/delivery_methods/smtp.rb:112:in `deliver!'
mail (2.6.3) lib/mail/message.rb:2141:in `do_delivery'
mail (2.6.3) lib/mail/message.rb:236:in `block in deliver'
actionmailer (4.2.4) lib/action_mailer/base.rb:543:in `block in deliver_mail'
activesupport (4.2.4) lib/active_support/notifications.rb:164:in `block in instrument'
的ActiveSupport（4.2.4）
任何想法，我怎麼能解決這個錯誤嗎？
謝謝！