Is setting an e-mail forwarding address classed as 'relaying'?

HCL Domino Domino Forum
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Can someone tell me definitively whether putting in an e-mail address in the forwarding address of a person doc in the company address book names.nsf makes Domino forward e-mail to that address appear to the SMTP receiver as if Domino was used as a relay?

The e-mails that are being forwarded are legitimate business e-mails being sent to internal Notes users which are then forwarded to an outside e-mail account, just to another business partners’ internet domain.

Our ISP is saying that we are sending SMTP mail to the outside as other domains other than ourselves. WE are concerned we will be blacklisted if we don’t correct this.

We do not have any white or black lists in place for Mail Configurations.

Any Help out there?

Paul

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Subject: Is setting an e-mail forwarding address classed as ‘relaying’?

To the outside, the messages using the auto-forward will appear as relayed messages as the sender domain is not the same as the connecting (your) domain.For example:

john@doe.com sends an email to jane.doe@example.com, but her person doc has a forwarding address of jane.doe@nowimhere.com.

The message will come out from example.com’s mail servers to go to nowimhere.com but the sender domain will show as doe.com (the sender domain and connecting domain are not the same) which to many is the definition of relaying.