In an attempt to fight spam, Earthlink has filtered out domains that have "unsecured open relays". For example, my domain is currently blocked, and I can't email earthlink customers. I've told my isp about it and they keep saying it is fixed, but the problem persists. It gives this error:
The original message was received at Wed, 25 Jul 2001 08:37:01 -0700
from [xx.xxx.xx.xxx]
----- The following addresses had permanent fatal errors -----
<
[email protected]>
----- Transcript of session follows -----
... while talking to mx00.earthlink.net.:
>>> MAIL From:<
[email protected]> SIZE=405
<<< 550-EarthLink's inbound mail servers do not allow mail from your site.
<<< 550-Please contact your ISP to find out how to send e-mail using a
<<< 550-proper mail server. If you are an EarthLink customer, and need
<<< 550-assistance configuring your e-mail software, please contact
<<< 550-EarthLink's technical support department at 1-800-EARTHLINK.
<<< 550-Server administrators that feel they are being blocked in error
<<< 550 may send e-mail to
[email protected] for assistance.
554 <
[email protected]>... Service unavailable