Netflix/asgard — pull request #447 by e0d (2013-12-29 21:14:30+00:00)
Title: Changes to support SMTP auth and SSL

Provides plumbing for additional config to turn on SMTP auth and SSL.

```
email {
userEnabled = true
systemEnabled = true
smtpHost = 'email-smtp.us-east-1.amazonaws.com'
smtpPort = 465
smtpUsername = ''
smtpPassword = ''
smtpSslEnabled = true
fromAddress = 'asgard@example.com'
systemEmailAddress = 'asgard@example.com'
errorSubjectStart = 'ERROR: '
}
```