Am 19.12.2011 00:40, schrieb Wietse Venema: > Steve Fatula: >> Have not seen a discussion of this lately, I'd like to hear pros >> of disallowing said spoofing. It appears it's "allowed" in the >> SMTP "standard". So, are there reasons to not allow it? > > You mean, forbid mailing list postings (like yours), because they > arrive from outside, but have a sender address inside the network?
sorry but they do not have! on some internal-relays maybe but this is not the place where spoof-protection is a topic but on your mx-side they are coming from my address and the received mails have an envelope @postfix.org
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