What does a "Reason: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)" error mean when an email message bounces back to the sender?

 

 

 

The following error will be bounced back to a sender if the email address the sender is trying to send to is not fully activated:

 

"Reason: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)"

 

This usually occurs when:

 

1. The domain name contained in the email address (being sent to) has not fully propagated yet.

 

Domain propagation is the process where Internet Service Providers (ISPs) around the world automatically update their records (DNS tables) to reflect the new domain or to reflect a change in the hosting provider for the domain name. Once the changes have been made, the domain's website and email services will be activated. Please note that full domain propagation can take between 24-72 hours. To verify when your domain was last updated, we suggest that you conduct a whois on your domain. A popular whois tool is located here: http://www.allwhois.com.

 

OR

 

2. Your POP mail client (ie. Outlook) is not configured properly. We suggest the following: 

Solution: For SMTP port number setting, use port 25 instead and "de-select" the option "My outgoing server requires authentication". But if the problem persists (this will be the case for a minority of e-mail  users), then "select" the option "My outgoing server(SMTP) requires authentication" as well.

 

IMPORTANT: Also ensure you are using your full email address as your username.  There were recent security changes made to ensure no unauthorized email access is used.


 

Was this answer helpful?

 Print this Article

Also Read

Why is my internet connection disconnecting after I check my email?

If you are on a dial-up and your internet connection is disconnecting after sending and...

Why can't I send mail from my hotel room?

Article written by Leo NotenboomI checked in to my hotel which provides free high speed...

Can I prevent my email from being down when I move to Argon?

What you will need to do is create the email accounts in your Control Panel we issue you with the...

What is email?

Short for electronic mail, the transmission of messages over communications networks. The...

How do I setup a catch all email address?

Setting up a catch all with Plesk reloaded is very simple. While Plesk no longer refers to it as...