Saya mencoba mengirim email konfirmasi dari aplikasi Rails saya. Di lingkungan pengembangan saya, ini berfungsi dengan baik (di ubuntu). Namun, saat saya mencoba mengirim email di instans Amazon AWS EC2 saya, email tersebut tidak berfungsi. Saya mendapatkan log kesalahan berikutnya:
BookingRequestEvent.execute
{ 38227580 rufus-scheduler intercepted an error:
38227580 job:
38227580 Rufus::Scheduler::EveryJob "60s" {}
38227580 error:
38227580 38227580
38227580 Errno::ECONNREFUSED
38227580 Connection refused - connect(2)
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/net/smtp.rb:541:in `initialize'
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/net/smtp.rb:541:in `open'
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/net/smtp.rb:541:in `tcp_socket'
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/net/smtp.rb:551:in `block in do_start'
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/timeout.rb:66:in `timeout'
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/net/smtp.rb:550:in `do_start'
38227580 /home/ubuntu/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/net/smtp.rb:520:in `start'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/mail-2.5.4/lib/mail/network/delivery_methods/smtp.rb:112:in `deliver!'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/mail-2.5.4/lib/mail/message.rb:2129:in `do_delivery'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/mail-2.5.4/lib/mail/message.rb:232:in `block in deliver'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/actionmailer-4.0.0/lib/action_mailer/base.rb:456:in `block in deliver_mail'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/notifications.rb:159:in `block in instrument'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/notifications.rb:159:in `instrument'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/actionmailer-4.0.0/lib/action_mailer/base.rb:454:in `deliver_mail'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/mail-2.5.4/lib/mail/message.rb:232:in `deliver'
38227580 /home/ubuntu/apps/yanpyapi/app/models/notification_manager.rb:6:in `notify'
38227580 /home/ubuntu/apps/yanpyapi/app/models/events/booking_request_event.rb:22:in `execute'
38227580 /home/ubuntu/apps/yanpyapi/app/models/secretary.rb:85:in `block in executeEvents'
38227580 /home/ubuntu/apps/yanpyapi/app/models/secretary.rb:20:in `each'
38227580 /home/ubuntu/apps/yanpyapi/app/models/secretary.rb:20:in `executeEvents'
38227580 /home/ubuntu/apps/yanpyapi/config/initializers/task_scheduler.rb:8:in `block in <top (required)>'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:224:in `call'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:224:in `do_trigger'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:269:in `block (3 levels) in start_work_thread'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:272:in `call'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:272:in `block (2 levels) in start_work_thread'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:258:in `loop'
38227580 /home/ubuntu/.rvm/gems/ruby-2.0.0-p451/gems/rufus-scheduler-3.0.3/lib/rufus/scheduler/jobs.rb:258:in `block in start_work_thread'
} 38227580 .
Saya melihat pesan koneksi ditolak, saya kira saya harus mengonfigurasi beberapa kredensial keamanan atau membuka beberapa port... tapi saya tidak tahu.
PEMBARUAN
Untuk memberikan beberapa rincian lebih lanjut. Layanan email saya disediakan oleh Zoho, saya mengkonfigurasi beberapa akun. Saya mengonfigurasi dua kumpulan data MX di AWS dengan Route 53. Email berfungsi, maksud saya, saya dapat mengirim dan menerima email dari akun lain seperti gmail atau hotmail ke akun zoho saya. Dan seperti yang saya katakan, layanan email sedang bekerja dengan akun-akun ini dalam pengembangan (yang merupakan ubuntu lainnya).