550 Access Denied – Invalid HELO name

Error: 550 Access Denied – Invalid HELO name

All of our servers require SMTP authentication.

Make sure SMTP authentication is enabled in your email client configuration as that is the most likely reason for this error.

  • 1 Users Found This Useful
Was this answer helpful?

Related Articles

How do I send more email than my hourly limit?

If you need to send more emails that our hourly limits provide on our shared hosting plans, we...

How do I create an email account?

You can easily create new email accounts in cPanel under "Email Accounts". The following video...

What POP3 and SMTP ports do I use?

When configuring your email client program, you can use port 110 for POP3 and port 25 or 26 for...

Configuring Outlook and other email clients on Windows hosting?

Standard POP3 Configuration:Account Type: POP3Incoming Mail Server: <use server hostname or IP...

What are my incoming and outgoing mail server addresses?

Both incoming and outgoing mail servers are: *servername*.fastcpanelserver.com or the server IP...