Suddenly my forum doesn’t send any email. I’m seeing the following error in logs: /usr/local/lib/ruby/2.5.0/net/smtp.rb:539:in `initialize' /usr/local/lib/ruby/2.5.0/net/smtp.rb:539:in `open' /usr/local/lib/ruby/2.5.0/net/smtp.rb:539:in `tcp_socket' /usr/local/lib/ruby/2.5.0/net/smtp.rb:549:in `block in do_start' /usr/local/lib/ruby/2.5.0/timeout.rb:103:in `timeout' /usr/local/lib/ruby/2.5.0/net/smtp.rb:548:in `do_start' /usr/local/lib/ruby/2.5.0/net/smtp.rb:518:in `start' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/mail-2.7.1/lib/mail/network/delivery_methods/smtp.rb:109:in `start_smtp_session' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/mail-2.7.1/lib/mail/network/delivery_methods/smtp.rb:100:in `deliver!' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/mail-2.7.1/lib/mail/message.rb:2159:in `do_delivery' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/mail-2.7.1/lib/mail/message.rb:260:in `block in deliver' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionmailer-5.2.2.1/lib/action_mailer/base.rb:560:in `block in deliver_mail' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.2.1/lib/active_support/notifications.rb:168:in `block in instrument' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.2.1/lib/active_support/notifications/instrumenter.rb:23:in `instrument' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.2.1/lib/active_support/notifications.rb:168:in `instrument' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionmailer-5.2.2.1/lib/action_mailer/base.rb:558:in `deliver_mail' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/mail-2.7.1/lib/mail/message.rb:260:in `deliver' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionmailer-5.2.2.1/lib/action_mailer/message_delivery.rb:114:in `block in deliver_now' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionmailer-5.2.2.1/lib/action_mailer/rescuable.rb:17:in `handle_exceptions' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionmailer-5.2.2.1/lib/action_mailer/message_delivery.rb:113:in `deliver_now' /var/www/discourse/lib/email/sender.rb:209:in `send' /var/www/discourse/app/jobs/regular/user_email.rb:57:in `execute' /var/www/discourse/app/jobs/base.rb:230:in `block (2 levels) in perform' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rails_multisite-2.0.6/lib/rails_multisite/connection_management.rb:63:in `with_connection' /var/www/discourse/app/jobs/base.rb:219:in `block in perform' /var/www/discourse/app/jobs/base.rb:215:in `each' /var/www/discourse/app/jobs/base.rb:215:in `perform' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:185:in `execute_job' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:167:in `block (2 levels) in process' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/middleware/chain.rb:128:in `block in invoke' /var/www/discourse/lib/sidekiq/pausable.rb:136:in `call' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/middleware/chain.rb:130:in `block in invoke' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/middleware/chain.rb:133:in `invoke' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:166:in `block in process' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:137:in `block (6 levels) in dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/job_retry.rb:108:in `local' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:136:in `block (5 levels) in dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq.rb:37:in `block in ' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:132:in `block (4 levels) in dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:243:in `stats' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:127:in `block (3 levels) in dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/job_logger.rb:8:in `call' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:126:in `block (2 levels) in dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/job_retry.rb:73:in `global' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:125:in `block in dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/logging.rb:48:in `with_context' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/logging.rb:42:in `with_job_hash_context' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:124:in `dispatch' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:165:in `process' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:83:in `process_one' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/processor.rb:71:in `run' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/util.rb:16:in `watchdog' /var/www/discourse/vendor/bundle/ruby/2.5.0/gems/sidekiq-5.2.5/lib/sidekiq/util.rb:25:in `block in safe_thread'

Cant send emails with discourse

Stephen (Stephen) 10 באפריל,‏ 2019,‏ 3:19pm 2

Which mail provider are you using?

Do the failures coincide with a rebuild or upgrade?

נושא		תגובות	צפיות
Email sending failed Bug	2	2514	29 באפריל,‏ 2016
Discourse not sending Emails Product Support unsupported-install	9	1288	9 באפריל,‏ 2019
"There are email jobs that failed" on an SMTP-less install Product Support email , discourse-id	6	316	19 בפברואר,‏ 2026
Sidekiq got error when sending mail after upgrade to latest version Product Support sidekiq	2	174	4 במרץ,‏ 2025
Can not sent email on user sign up! Self-hosting unsupported-install	1	557	29 ביולי,‏ 2022