ME020238 - ERR: Error 10038 when communicating with remote hosts


Error 10038 when communicating with remote hosts.


The 10038 error occurs when MailEnable is sending mail messages to a remote server and the connection was terminated by the remote server (usually the result of an earlier 10060 error whereby the server is no longer in communication with the remote client). This usually means that the remote mail server is rejecting the message because the server is blacklisted (see: ) or because a PTR record is not configured for the IP address (see:


For more information about obtaining a PTR record see the following information;

PTR records and how to obtain one: Article ME020206

How to set up PTR records under Microsoft's DNS Server: Article ME020115

To analyze the contents of log files, consider using the Log Analysis Utility. See:

If the server is blacklisted, refer to this information: Article ME020166

Product:MailEnable (All Versions)
Keywords:10038 remote hosts error 10060 sending to connection terminated blacklisted
Class:ERR: Product Error
Revised:Wednesday, May 4, 2016