error message when posting

[Eagle1]

Some of my members have reported getting this message sometimes. It does not happen all the time  here is the message:

An Error Has Occurred!
2: fsockopen(): unable to connect to 216.153.93.38:25
File: E:\html\domains\amceaglenest.com\wwwroot\forums\Sources\Subs-Post.php
Line: 561h.

What do I need to do remember I am not a coder just an operator.

[[Unknown]]

Sounds like a problem with your SMTP server or your SMTP settings.

-[Unknown]