Hi,

Here is our situation:

We have an email server at ourdomain.com where some folks setup a sieve redirect to other mailboxes.

Now, consider the case where a [email protected] sends an email to our [email protected], and it is sieve-forwarded to [email protected].

But suppose the [email protected] mailbox no longer exists: an NDR is generated at forwarddomain.com. Currently this NDR is sent back all the way to the original sender [email protected].

However, the message *was* in fact successfully delivered to our mailbox [email protected], and we would like to prevent NDRs for these sieve-forwarded messages.

Is there a way to achieve this?

If it helps: the sieve-forwards are mostly to very few foreign domains, so perhaps we could filter NDRs at some stage, based on coming-from domain..?

Best regards,
MJ

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