Hi, Sorry I do not know. This also confused me. Try using a name associated with your email service provider. It should not have anything to do with where your app server is running from.
I tried to set up a different mail account I have. The response was different “Connection refused - connect(2)”. This is OK, I believe, because my ISP does not allow mail relay.
So obviously I get in touch with my ISP but am unable to login. Any hints?
Careful inspection of the Thunderbird outgoing server settings revealed that my mailer smtp.x.y
required the following settings in …/config/initializers/mail.rb: