whitelist_from_rcvd, one domain, more senders doesn't work

[mailscanner-user]

I have:

whitelist_from_rcvd     *@newsletters.microsoft.com
delivery2.pens.microsoft.com
whitelist_from_rcvd     *@newsletters.microsoft.com
delivery.pens.microsoft.com

(requiring all newsletters.microsoft.com be sent from mailservers called
delivery(2).pens.microsoft.com)

but only the second line works; mails sent from delivery2.pens.microsoft.com
are not whitelisted (the m$-newsletters look too much like spam, so I need
to whitelist it, but I have caught viruses claiming to come from
newsletters.microsoft.com, so I can't just whitelist that domain)

In this case I can just do
whitelist_from_rcvd     *@newsletters.microsoft.com     pens.microsoft.com
but that might not always be possible.

Bug?

Leif

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