Date: Sun, 31 Aug 2014 01:10:54 +0000 From: "Jorge Manuel B. S. Vicetto" <jmbsvicetto@...il.com> To: oss-security <oss-security@...ts.openwall.com> Subject: Fwd: ezmlm warning Hi. I'm forwarding this email to the ml as I just noticed this is the 3rd time since Jun 19th that because of DMARC emails from some members are being rejected by receivers domains, like gmail for me. As I don't recall reading about this topic before in this ml, I'm raising the issue in case others are unaware and start getting warnings for losing emails or are surprised by some members not getting their emails. >From the warnings sent to me, this seems to have affected messages with numbers 10358, 10965, 10969, 10972, 13596 and 13652. I'm not sure if at this point there's anything that can be done by members to avoid losing emails - except perhaps using a different mail service or hosting their own as it seems unlikely that gmail, yahoo and others can be forced to change their policies. I first heard about this from my colleague at Gentoo Robin H. Johnson (robbat2), who raised this issue with the IETF. I see that gmail now has a support article about it as well.  - http://www.ietf.org/mail-archive/web/ietf/current/msg87171.html  - https://support.google.com/mail/answer/2451690 Regards, Jorge Manuel B. S. Vicetto Gentoo Developer ---------- Forwarded message ---------- From: <oss-security-help@...ts.openwall.com> Date: Sat, Aug 30, 2014 at 10:47 AM Subject: ezmlm warning To: jmbsvicetto@...il.com Hi! This is the ezmlm program. I'm managing the oss-security@...ts.openwall.com mailing list. <snip> Messages to you from the oss-security mailing list seem to have been bouncing. I've attached a copy of the first bounce message I received. <snip> 13596 13652 --- Enclosed is a copy of the bounce message I received. Return-Path: <> Received: (qmail 26140 invoked for bounce); 18 Aug 2014 11:41:16 -0000 Date: 18 Aug 2014 11:41:16 -0000 From: MAILER-DAEMON@...her.openwall.net To: oss-security-return-13596-@...ts.openwall.com Subject: failure notice Hi. This is the qmail-send program at mother.openwall.net. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out. <jmbsvicetto@...il.com>: 220.127.116.11 failed after I sent the message. Remote host said: 550-5.7.1 Unauthenticated email from yahoo.com is not accepted due to domain's 550-5.7.1 DMARC policy. Please contact administrator of yahoo.com domain if 550-5.7.1 this was a legitimate mail. Please visit 550-5.7.1 http://support.google.com/mail/answer/2451690 to learn about DMARC 550 5.7.1 initiative. kk9si21001854lbc.122 - gsmtp
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