ewv Posted November 12, 2020 Share Posted November 12, 2020 (edited) mailhosts only allows adding mx1.mailchannels.net. (pri 0) and mx2.mailchannels.net resulting in: inbound.mailchannels.net postfix-inbound-0.inbound.mailchannels.net postfix-inbound-3.inbound.mailchannels.net postfix-inbound-4.inbound.mailchannels.net postfix-inbound-5.inbound.mailchannels.net postfix-inbound-6.inbound.mailchannels.net postfix-inbound-7.inbound.mailchannels.net postfix-inbound-11.inbound.mailchannels.net Missing from that list is (at least)#2: postfix-inbound-2.inbound.mailchannels.net and more fundamentally inbound-splitter.mailchannels.net resulting in spamcop hanging before getting to the spam source, for example: 2: Received: from inbound-trex-4 (100-101-84-158.inbound-trex.inbound.svc.cluster.local [100.101.84.158]) by postfix-inbound-4.inbound.mailchannels.net (Postfix) with ESMTP id AAE1520251 for <x>; Thu, 12 Nov 2020 10:19:05 +0000 (UTC) No unique hostname found for source: 100.101.84.158 Possible forgery. Supposed receiving system not associated with any of your mailhosts Will not trust this Received line. for headers: ... Received: from inbound-trex-4 (100-101-84-158.inbound-trex.inbound.svc.cluster.local [100.101.84.158]) by postfix-inbound-4.inbound.mailchannels.net (Postfix) with ESMTP id AAE1520251 for <x>; Thu, 12 Nov 2020 10:19:05 +0000 (UTC) Received: from inbound-trex-0 (100-96-26-96.inbound-trex.inbound.svc.cluster.local [100.96.26.96]) by postfix-inbound-splitter-0.localdomain (Postfix) with ESMTP id EBBED20032; Thu, 12 Nov 2020 10:19:00 +0000 (UTC) Received: from p110239-ipoefx.ipoe.ocn.ne.jp (p110239-ipoefx.ipoe.ocn.ne.jp [188.8.131.52]) by 0.0.0.0:2500 (trex/5.18.10); Thu, 12 Nov 2020 10:19:00 +0000 p110239-ipoefx.ipoe.ocn.ne.jp escapes being reported. Edited November 12, 2020 by ewv Quote Link to comment Share on other sites More sharing options...
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