If you're reading this part of the website, it's probably because you want to send mail to our customers. So long as you're sending mail that our customers want, you shouldn't have a problem getting your mail delivered here; however, if you are having problems, this is a good place to start.

The following menu items under Sending Mail To Road Runner Customers will cover most topics that are of interest to senders.

• General Guidelines
• Feedback Loop
• Rejected Connections
• Mail Filters
• Rate Limits
• Error Messages
• Whitelist
• Reputation and Authentication