Completed 500 Internal Server Error in Rails 4 Devise Signup process - ruby-on-rails

Question

When I go to signup a new user on the site I fill in the form, click submit, and it sits there for a few seconds, then dispays 'We're sorry, but something went wrong.'
The Log is below...
https://gist.github.com/th3cuda/225f1352a7cfeee3f8f8
This is deployed on digitalocean.
production.rb
# Use default logging formatter so that PID and timestamp are not suppressed.
config.log_formatter = ::Logger::Formatter.new
config.action_mailer.default_url_options = { :host => 'MY_HOST' }
config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
:address => 'smtp.MY_DOMAIN.com',
:port => 465,
:domain => 'MY_DOMAIN',
:user_name => 'MY_EMAIL',
:password => 'PASSWORD',
:authentication => 'plain',
:enable_starttls_auto => true
}
end

Answer 1

Since it's taking a while, it could be looking for sendmail (it uses /usr/sbin/sendmail by default) to send the email.
I would make sure that it's in place, that it can be used by the app, and that the config/(Dev, Prod, etc.) allows it to deliver email.
Is any of that helpful? Let me know what you find so I can give a better answer.

Answer 2

Sorry to add another answer, but formatting here is important.
config.action_mailer.default_url_options = { :host => 'MY_HOST' }
config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
:address => 'smtpout.secureserver.net',
:port => 80,
:domain => 'www.example.com',
:user_name => 'johndoe#example.com',
:password => 'yourpassword',
:authentication => 'plain'
}
end
Notice I removed the starttls option, and set port to 80. Obviously, replace with your real values. If you're using constants, please avoid using those until this gets resolved.