Invalid DNS

This happnes if Atomic Mail Sender cannot automatically determine DNS servers. Please open the Settings / Common Settings/ DNS dialog box and make the following changes there:

First, please try clicking "Use system DNS server" and sending mail this way. If it does not help, please contact your Internet Service Provider and ask about their DNS server addresses. Then enter these values in the Primary DNS Server and Secondary DNS Server fields.

If you have any problems with DNS, you may try using the following public DNS servers:


Invalid DNS error


See also other error types in Atomic Mail Sender:

If you have any troubles resolving the error, please contact our technical support.

How to download / purchase Atomic Mail Sender

To order Atomic Mail Sender, simply click the link below or go to this section to learn more about alternative payment methods. Also, before ordering, you can get the downloadable version of the program here.