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Help desk: troubleshooting SMTP peers
If your email messages to addresses are rejected.

To impede spam (unsolicited bulk mail) on the Internet, ISPs (Internet Service Providers), including Toronto Free-Net, impose restrictions on the flow of email.  Some checks are defensive, which an ISP imposes on inbound email to protect itself; others are self-policing, which an ISP imposes on email sent by its own users, to prevent them from abusing the Internet community at large.

If TFN rejects your legitimate email to addresses please compare, against the following possible causes, the error message which TFN gave to your SMTP server.  For further assistance in resolving the problem, contact the TFN office.

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