Hey! I've got something quite strange going on with our exim installation:
Occasionally, the inbound header is stripped (no to, from, subject) and the only thing left is like following: === Return-Path: <[email protected]> Received: from service ([unix socket]) by service (Cyrus v2.4.20) with LMTPA; Thu, 06 Jun 2019 13:07:34 +0200 X-Sieve: CMU Sieve 2.4 Envelope-to: [email protected] Delivery-date: Thu, 06 Jun 2019 13:07:34 +0200 Received: from us-smtp-delivery.somedomain.com ([xxx.xxx.xxx.xxx]) by service with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.92) (envelope-from <[email protected]>) id 1hYqF3-0007I9-JF for [email protected]; Thu, 06 Jun 2019 13:07:34 +0200 === I run exim 4.92 w/ SpamAssassin and the spam-Check already is missing the headers, too: [Exim-log] 2019-06-06 13:07:34 1hYqF3-0007I9-JF <= [email protected] H=uus-smtp-delivery.somedomain.com [xxx.xxx.xxx.xxx] P=esmtps X=TLSv1.2:ECDHE-RSA-AES256-SHA384:256 CV=no S=9865 2019-06-06 13:07:34 1hYqF3-0007I9-JF => fe <[email protected]> R=cyrus_vdom T=cyrus_ltcp C="250 2.1.5 Ok SESSIONID=<cyrus-28007-1559819254-1>" [spamd-log] Jun 6 13:07:34 service spamd[23669]: spamd: result: . -94 - MISSING_DATE,MISSING_FROM,MISSING_HEADERS,MISSING_MID,MISSING_SUBJECT,TVD_SPACE_RATIO,USER_IN_WHITELIST scantime=0.2,size=9949,user=nobody,uid=65534,required_score=5.0,rhost=127.0.0.1,raddr=127.0.0.1,rport=36240,mid=(unknown),autolearn=disabled [cyrus-log] Jun 6 13:07:34 service cyrus/lmtpunix[28007]: Delivered: <cmu-lmtpd-28007-1559819254-0@service> to mailbox: user.fe So, it looks to me, that those headers are already missing when delivered to our server. However, this mail got BCC'ed to a GMail-Host and there all headers were availabe! It seems to have something to do with adding BCC or CC to the recipient list on the sender site, but I haven't been able to really find the point on where and why it is failing. Anyone any ideas? Best regards, Jan.
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