Suddenly my forum cannot receive any email. It just happened out of the blue. Nothing was changed.
There are the following logs:
activesupport-7.1.4/lib/active_support/broadcast_logger.rb:130:in `block in warn'
activesupport-7.1.4/lib/active_support/broadcast_logger.rb:231:in `block in dispatch'
activesupport-7.1.4/lib/active_support/broadcast_logger.rb:231:in `each'
activesupport-7.1.4/lib/active_support/broadcast_logger.rb:231:in `dispatch'
activesupport-7.1.4/lib/active_support/broadcast_logger.rb:130:in `warn'
/var/www/discourse/lib/email/processor.rb:183:in `log_email_process_failure'
/var/www/discourse/lib/email/processor.rb:29:in `rescue in process!'
/var/www/discourse/lib/email/processor.rb:16:in `process!'
/var/www/discourse/lib/email/processor.rb:13:in `process!'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:29:in `process_popmail'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:49:in `block (2 levels) in poll_pop3'
net-pop-0.1.2/lib/net/pop.rb:669:in `each'
net-pop-0.1.2/lib/net/pop.rb:669:in `each_mail'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:46:in `block in poll_pop3'
net-pop-0.1.2/lib/net/pop.rb:531:in `start'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:45:in `poll_pop3'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:14:in `execute'
/var/www/discourse/app/jobs/base.rb:307:in `block (2 levels) in perform'
rails_multisite-6.1.0/lib/rails_multisite/connection_management/null_instance.rb:49:in `with_connection'
rails_multisite-6.1.0/lib/rails_multisite/connection_management.rb:21:in `with_connection'
/var/www/discourse/app/jobs/base.rb:294:in `block in perform'
/var/www/discourse/app/jobs/base.rb:290:in `each'
/var/www/discourse/app/jobs/base.rb:290:in `perform'
/var/www/discourse/app/jobs/base.rb:361:in `perform'
mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:137:in `process_queue'
mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:77:in `worker_loop'
mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:63:in `block (2 levels) in ensure_worker_threads'
It throws an EmptyEmail exception…
Manually connecting to the email account via POP3 using a regular email app works just fine.
An error preceeds this error in the log:
/usr/local/lib/ruby/3.3.0/net/protocol.rb:237:in `rbuf_fill'
/usr/local/lib/ruby/3.3.0/net/protocol.rb:199:in `readuntil'
/usr/local/lib/ruby/3.3.0/net/protocol.rb:377:in `each_message_chunk'
net-pop-0.1.2/lib/net/pop.rb:958:in `block in retr'
net-pop-0.1.2/lib/net/pop.rb:1016:in `critical'
net-pop-0.1.2/lib/net/pop.rb:956:in `retr'
net-pop-0.1.2/lib/net/pop.rb:810:in `pop'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:47:in `block (2 levels) in poll_pop3'
net-pop-0.1.2/lib/net/pop.rb:669:in `each'
net-pop-0.1.2/lib/net/pop.rb:669:in `each_mail'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:46:in `block in poll_pop3'
net-pop-0.1.2/lib/net/pop.rb:531:in `start'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:45:in `poll_pop3'
/var/www/discourse/app/jobs/scheduled/poll_mailbox.rb:14:in `execute'
/var/www/discourse/app/jobs/base.rb:307:in `block (2 levels) in perform'
rails_multisite-6.1.0/lib/rails_multisite/connection_management/null_instance.rb:49:in `with_connection'
rails_multisite-6.1.0/lib/rails_multisite/connection_management.rb:21:in `with_connection'
/var/www/discourse/app/jobs/base.rb:294:in `block in perform'
/var/www/discourse/app/jobs/base.rb:290:in `each'
/var/www/discourse/app/jobs/base.rb:290:in `perform'
/var/www/discourse/app/jobs/base.rb:361:in `perform'
mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:137:in `process_queue'
mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:77:in `worker_loop'
mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:63:in `block (2 levels) in ensure_worker_threads'