Why am I getting this email back?
You are getting this message because your ISP’s / Web Hosting providers mail server requires you to enable “SMTP Authentication”. Below is the error you are most likely getting:
-- Error Code Example --
SMTP error from remote mail server after RCPT TO::
host mail.yourdomain.com [64.239.33.14]:
553 sorry, that domain isn't in my list of allowed rcpthosts; no valid cert for gateway (#5.7.1)
Ways to resolve the problem (Microsoft Outlook):
- Click Tools then Email Accounts (Accounts and Services on older versions of Outlook)
- Click View and Change and Click Next (skip if it opens up to the account screen)
- Click Change or Properties of your Email Account
- Click More Settings
- Click Outgoing Server
- Check My Server Uses Authentication
- Select Log on Using
- Type Account Name (which will be your full email address)
- Type Password (which will be your email address password)
- Click OK
- Click Next
- Click Finish
This should fix the Outlook to send email. Close Outlook and re-open it to start sending mail.
Notes:
- Please note if you have any troubles with this. We would be glad to assist you in correcting this issue. Please email support@o2link.com and we will be glad to take a look at the issue for you.