Running into SMTP error when trying to send email in RoR app

Question

I\'ve been desperately trying to send an email using the Action Mailer class in RoR, and even though the terminal shows that a message is being sent, it keeps returning with

Answer 1

I solved by doing the following:

1) Log into the Google Apps Admin portal and enable Less Secure Apps by checking "Allow users to manage their access to less secure apps" under Security preferences.

2) Login into the account that will serve as the mailer and turn "Allow less secure apps" to ON.

Most of the answers available on-line refer to step 2, but you cannot configure at a user level without the Admin turning the feature on.