ranwaldo@comcast.net

Invoices and other emails from WHMCS are not being delivered to customers on Comcast email servers. I am not getting a bounce message, the emails are just vanishing. I have reproducible test cases using email addresses on my Comcast account. (1) Sending to a Comcast email address with the default settings, the emails are sent by WHMCS but never received. (2) On another Comcast email address, I have modified the settings in comcast.net to set 'Spam Filter = Off'. Messages to this address are delivered fine. Conclusion: the Comcast Spam Filter is discarding the messages. I have tried, without success, to get Comcast Customer Support to help me resolve the issue. I finally have a ticket number and am waiting for their level 2 to contact me. I don't don't think it would be reasonable for me to have to tell all of my customers they must turn off Comcast Spam Filtering. Has anyone else experienced a similar problem, or have any advice for me to resolve it? Thanks, ~Randy