I am trying to troubleshoot an email problem with VFP and wwIpstuff (and now w/ eReports SMTP option) for a comcast user. I have tried to visit the comcast site but you cant get to the support page on their site unless u are a client. Am trying to determine if they:

1) are using/requiring authenticated email.

2) requiring outgoing smpt mail to use their own servers

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similar to what cox.net has posted on their site:

Cox requires all email messages sent from our network to go through Cox outbound (SMTP) servers. Any attempt to send email using a third-party outbound email server will result in an error message (on your email software), and the message will not be delivered. This will not impact the majority of customers, but there are bound to be some people using third-party mail servers. Any software configured to use an SMTP server other than smtp.region.cox.net to deliver email directly to a recipient’s server will no longer work. An indication of this problem may be a message similar to this in your mail client:

A time-out occurred while communicating with the server. Account: ‘otheraccount.otherisp.com’, Server: ‘othersmtp.otherisp.com’, Protocol: SMTP, Port 25, Secure(SSL): No, Error Number: 0x800CCC19

Customers using third party email services must configure their email clients to use smtp.region.cox.net to send outbound email.