ia.usda.gov. 86400 IN MX 10 hi-usda-gov.mail.protection.outlook.com. http://blogs.msdn.com/b/tzink/archive/2014/10/28/support-for-anonymous-inbound-email-over-ipv6-in-office-365.aspx
not new stuff: http://engineering.linkedin.com/email/sending-and-receiving-emails-over-ipv6 http://www.slideshare.net/FranckMartin/linkedin-smtpi-pv6 On Wed, Oct 7, 2015 at 10:17 AM, Frank Bulk <[email protected]> wrote: > Anyone know when ia.usda.gov, ia.nacdnet.net, ams.usda.gov, fs.fed.us, > aphis.usda.gov, usda.gov, and nist.gov started having a dual-stacked MX > record? Our monitoring system notified us this morning that a message from > a customer couldn't deliver there: > Site ia.usda.gov (2a01:111:f400:7c10::10) said after data sent: > 450 > 4.7.26 Service does not accept messages sent over IPv6 > [2607:fe28:0:4000::10] unless they pass either SPF or DKIM validation > (message not signed) > Site ia.usda.gov (2a01:111:f400:7c0c::11) said after data sent: > 450 > 4.7.26 Service does not accept messages sent over IPv6 > [2607:fe28:0:4000::10] unless they pass either SPF or DKIM validation > (message not signed) > Site ia.usda.gov (2a01:111:f400:7c10::1:10) said after data sent: > 450 4.7.26 Service does not accept messages sent over IPv6 > [2607:fe28:0:4000::10] unless they pass either SPF or DKIM validation > (message not signed) > to=2a01:111:f400:7c09::11 TCPWrite failed 0/63998, tot=65608 upto=0 > 0 sec Err Code Zero write_timed3.1 0sec (450 4.7.26 Service does not accept > messages sent over IPv6 [2607:fe28:0:4000::20] unless they pass e) 0 Err > Code Zero write_timed1 104 r=0 r=0 > > I've asked our customer's IT consultant to add our email servers to their > existing SPF record, but this is the first time I've run into this. Going > back 30 days in my email servers logs it started September 24. > > Frank > > > _______________________________________________ > mailop mailing list > [email protected] > http://chilli.nosignal.org/mailman/listinfo/mailop >
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