Question

Does anybody know the smtp settings that need to be applied within the application.conf file of a Play Framework project for sending emails on localhost?

During my unit testing I am getting the error:

A play.exceptions.MailException has been caught, Cannot send email

The developers at Play have made sending emails so easy that the only way I could be messing up is with my settings in the config file.

I have tried just using:

mail.smtp=mock

And I tried commenting out the line above and using:

mail.smtp.host=127.0.0.1

Neither of these two approaches work. I understand that this is probably a very noob question, but I have never really dealt with setting up emails before – so I am grateful for any help that can be contributed.

If it is the case that I am unable to send email as Play would not work as an SMTP server, is there any way that I can use mail.smtp=mock to ‘mock send’ an email and allow my tests to pass?

Useful Link

This is a link to the Play documentation for sending emails

Answer 1

To better diagnose the problem, you can use the following setting (in application.conf) to give more details of the email sending process.

mail.debug=true

However, for testing purposes, I have found using GMail the easiest method for sending emails.
The configuration (again in application.conf) is…

mail.smtp.host=smtp.gmail.com
mail.smtp.user=yourGmailLogin
mail.smtp.pass=yourGmailPassword
mail.smtp.channel=ssl

For full details of all the configurations, the Play Framework page has lots of information on how to do this.

http://www.playframework.org/documentation/1.2.2/emails