Error: 535 5.7.0 - Authentication Failed

Given as response to OUTGOING mail

Could be caused by wrong user/password
1. Double check username and password
2. Try and login via webmail
3. Try and change password
4. If problem persists, submit the ticket to Technical Support Department

Could be caused because the username has had SMTP disabled either by an admin manually (by Abuse dept request) or automatically for going over threshold by the abuse system

1. Are you are sending a high volume of email. i.e. Announcer, email list etc. If yes, how many?
2. Consider reducing  your Email list to smaller increments i.e. 200 emails per list.
3. In the newsletter, Email, there should be some way to for the recipients to OPT out.
4. Create a ticket to our Technical Support Department requesting to be whitelisted.

When you send a ticket please include the following:

* Estimate of the total number of recipients i.e. 2000 recipients
* How often the emails are sent out i.e once a week, once a month
* Sending email account
* How are the emails being sent i.e. webmail, webform, smtp, etc
* Provide a sample email.

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