### Author:  [@schap](https://meta.discourse.org/u/schap)
#### Post date: [March 15, 2020, 2:50pm UTC](https://meta.discourse.org/t/smtp-weird-issues/144388/1 "2020-03-15T14:50:48Z")
Hey Everyone,
Having this issue with SMTP. Worked before but now I am getting errors that I cannot really tell are leading me to…
```plaintext
/usr/local/lib/ruby/2.6.0/net/protocol.rb:225:in `rbuf_fill'
/usr/local/lib/ruby/2.6.0/net/protocol.rb:191:in `readuntil'
/usr/local/lib/ruby/2.6.0/net/protocol.rb:201:in `readline'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:950:in `recv_response'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:935:in `block in getok'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:960:in `critical'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:933:in `getok'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:919:in `quit'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:612:in `do_finish'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:521:in `ensure in start'
/usr/local/lib/ruby/2.6.0/net/smtp.rb:521:in `start'
mail-2.7.1/lib/mail/network/delivery_methods/smtp.rb:109:in `start_smtp_session'
mail-2.7.1/lib/mail/network/delivery_methods/smtp.rb:100:in `deliver!'
mail-2.7.1/lib/mail/message.rb:2159:in `do_delivery'
mail-2.7.1/lib/mail/message.rb:260:in `block in deliver'
actionmailer-6.0.1/lib/action_mailer/base.rb:589:in `block in deliver_mail'
activesupport-6.0.1/lib/active_support/notifications.rb:180:in `block in instrument'
activesupport-6.0.1/lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activesupport-6.0.1/lib/active_support/notifications.rb:180:in `instrument'
actionmailer-6.0.1/lib/action_mailer/base.rb:587:in `deliver_mail'
mail-2.7.1/lib/mail/message.rb:260:in `deliver'
actionmailer-6.0.1/lib/action_mailer/message_delivery.rb:114:in `block in deliver_now'
actionmailer-6.0.1/lib/action_mailer/rescuable.rb:17:in `handle_exceptions'
actionmailer-6.0.1/lib/action_mailer/message_delivery.rb:113:in `deliver_now'
/var/www/discourse/lib/email/sender.rb:213:in `send'
/var/www/discourse/app/jobs/regular/download_backup_email.rb:21:in `execute'
/var/www/discourse/app/jobs/base.rb:232:in `block (2 levels) in perform'
rails_multisite-2.1.1/lib/rails_multisite/connection_management.rb:64:in `with_connection'
/var/www/discourse/app/jobs/base.rb:221:in `block in perform'
/var/www/discourse/app/jobs/base.rb:217:in `each'
/var/www/discourse/app/jobs/base.rb:217:in `perform'
sidekiq-6.0.5/lib/sidekiq/processor.rb:196:in `execute_job'
sidekiq-6.0.5/lib/sidekiq/processor.rb:164:in `block (2 levels) in process'
sidekiq-6.0.5/lib/sidekiq/middleware/chain.rb:138:in `block in invoke'
/var/www/discourse/lib/sidekiq/pausable.rb:138:in `call'
sidekiq-6.0.5/lib/sidekiq/middleware/chain.rb:140:in `block in invoke'
sidekiq-6.0.5/lib/sidekiq/middleware/chain.rb:143:in `invoke'
sidekiq-6.0.5/lib/sidekiq/processor.rb:163:in `block in process'
sidekiq-6.0.5/lib/sidekiq/processor.rb:136:in `block (6 levels) in dispatch'
sidekiq-6.0.5/lib/sidekiq/job_retry.rb:111:in `local'
sidekiq-6.0.5/lib/sidekiq/processor.rb:135:in `block (5 levels) in dispatch'
sidekiq-6.0.5/lib/sidekiq.rb:37:in `block in '
sidekiq-6.0.5/lib/sidekiq/processor.rb:131:in `block (4 levels) in dispatch'
sidekiq-6.0.5/lib/sidekiq/processor.rb:257:in `stats'
sidekiq-6.0.5/lib/sidekiq/processor.rb:126:in `block (3 levels) in dispatch'
sidekiq-6.0.5/lib/sidekiq/job_logger.rb:13:in `call'
sidekiq-6.0.5/lib/sidekiq/processor.rb:125:in `block (2 levels) in dispatch'
sidekiq-6.0.5/lib/sidekiq/job_retry.rb:78:in `global'
sidekiq-6.0.5/lib/sidekiq/processor.rb:124:in `block in dispatch'
sidekiq-6.0.5/lib/sidekiq/logger.rb:10:in `with'
sidekiq-6.0.5/lib/sidekiq/job_logger.rb:33:in `prepare'
sidekiq-6.0.5/lib/sidekiq/processor.rb:123:in `dispatch'
sidekiq-6.0.5/lib/sidekiq/processor.rb:162:in `process'
sidekiq-6.0.5/lib/sidekiq/processor.rb:78:in `process_one'
sidekiq-6.0.5/lib/sidekiq/processor.rb:68:in `run'
sidekiq-6.0.5/lib/sidekiq/util.rb:15:in `watchdog'
sidekiq-6.0.5/lib/sidekiq/util.rb:24:in `block in safe_thread'
```
---
### Author:  [@schap](https://meta.discourse.org/u/schap)
#### Post date: [March 15, 2020, 2:52pm UTC](https://meta.discourse.org/t/smtp-weird-issues/144388/2 "2020-03-15T14:52:17Z")
Here is what my config looks like:
```plaintext
## TODO: The SMTP mail server used to validate new accounts and send notifications
# SMTP ADDRESS, username, and password are required
# WARNING the char '#' in SMTP password can cause problems!
DISCOURSE_SMTP_ADDRESS: smtpout.secureserver.net
DISCOURSE_SMTP_PORT: 587
DISCOURSE_SMTP_USER_NAME: xxxxxxxxx@cmmchub.com
DISCOURSE_SMTP_PASSWORD: "Password"
#DISCOURSE_SMTP_ENABLE_START_TLS: true
#DISCOURSE_SMTP_OPENSSL_VERIFY_MODE: none
DISCOURSE_SMTP_ENABLE_START_TLS: true # (optional, default true)
```
---
### Author:  [@itsbhanusharma](https://meta.discourse.org/u/itsbhanusharma)
#### Post date: [March 15, 2020, 3:27pm UTC](https://meta.discourse.org/t/smtp-weird-issues/144388/3 "2020-03-15T15:27:43Z")
Have you also updated the `notification_email` for your discourse?
---
### Author:  [@schap](https://meta.discourse.org/u/schap)
#### Post date: [March 15, 2020, 8:00pm UTC](https://meta.discourse.org/t/smtp-weird-issues/144388/4 "2020-03-15T20:00:10Z")
I did. Not sure what happened but I just tested it and it all is magically working again…
---
### Author:  [@Lilly](https://meta.discourse.org/u/Lilly)
#### Post date: [March 11, 2024, 4:52pm UTC](https://meta.discourse.org/t/smtp-weird-issues/144388/6 "2024-03-11T16:52:04Z")