Winsock error 11004 (0x2AFC) occurred

Problem Description

When sending a message with AspEmail, the following error may be generated:

Persits.MailSender.4 (0x800A0002)
Winsock error 11004 (0x2AFC) occurred.

Solution

In most cases, this error means that the specified Host cannot be resolved. Make sure Host is assigned a valid and existing host address. This error may also mean a problem with your network and/or DNS.