LOL - well, you just have to love the system. I am guessing that the Legacy Rockwell Collins and Legacy UTAS are recognized as valid emails but the new Collins Aerospace is not (FYI - Rockwell Collins and UTAS official merged last week now being Collins Aerospace). And why someone who was not part of either of those OEMs is getting bounced is even more a mystery. Silly electrons! Dave Hillman Collins Aerospace [log in to unmask] On Fri, Dec 7, 2018 at 10:37 AM Tom Brendlinger <[log in to unmask]> wrote: > The last error Gmail gave me blames Collins, and I saw the same error in > someone else's note. > > (example follows) > > - The last reported error was: 5.7.1 550-5.7.1 Unauthenticated email from > collins.com is not accepted due to domain's 550-5.7.1 DMARC policy. > Please contact the administrator of collins.com domain 550-5.7.1 if this > was a legitimate mail. Please visit 550-5.7.1 > > https://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_answer_2451690&d=DwIBaQ&c=ilBQI1lupc9Y65XwNblLtw&r=qMshjwqeixvQjs1qYTl8aRebuaqi25nLzYlpmDF6tjI&m=cj6quZN5T-GIsQ_fA2o248H_TXVhzzYWV2eeRkmvcds&s=8hBQJkkh_a_SV3DMA4jZwWPzdyfbFx-BAlWCSN5jr0k&e= > to learn about the 550 ... > (52 bytes suppressed) > > Here is the short easy explanation of DMARC > > https://urldefense.proofpoint.com/v2/url?u=https-3A__dmarc.org_wiki_FAQ-23How-5Fdoes-5FDMARC-5Fwork.2C-5Fbriefly.2C-5Fand-5Fin-5Fnon-2Dtechnical-5Fterms.3F&d=DwIBaQ&c=ilBQI1lupc9Y65XwNblLtw&r=qMshjwqeixvQjs1qYTl8aRebuaqi25nLzYlpmDF6tjI&m=cj6quZN5T-GIsQ_fA2o248H_TXVhzzYWV2eeRkmvcds&s=KcRsX6mPPAut3Kz78UpR3P_GH-_jeDdPtPm7TtcjBls&e= > > Someone's emails are failing DMARC, which is resulting in many people's > email servers rejecting the message. It is possible that the IPC DMARC > policy is being applied to the Collins email address, but I think more > likely the Collins DMARC policy is either malformed for mailing list type > emails, or is being applied to the message after it has passed through the > IPC server. > > It's worth investigation on both the IPC and Collins end... and if anyone > saw different errors (or the same error referencing a different domain) > please post them, I'm sure it will help diagnose the issue. > > t > > On Fri, Dec 7, 2018 at 11:20 AM David Bergman <[log in to unmask]> > wrote: > > > I will ask our IT to look into this . Numbers seem too high. > > > > David W. Bergman > > Vice President, Standards & Training > > IPC - Association Connecting Electronics Industries > > 3000 Lakeside Drive Suite 105N > > Bannockburn, IL 60015-1249 USA > > +1 847-597-2840<tel:+1%20847-597-2840> tel > > +1 847-615-5640<tel:+1%20847-615-5640> fax > > +1 847-867-1388<tel:+1%20847-867-1388> mobile > > [log in to unmask]<mailto:[log in to unmask]> > > Skype: davidbergmanipc > > > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ipc.org&d=DwIBaQ&c=ilBQI1lupc9Y65XwNblLtw&r=qMshjwqeixvQjs1qYTl8aRebuaqi25nLzYlpmDF6tjI&m=cj6quZN5T-GIsQ_fA2o248H_TXVhzzYWV2eeRkmvcds&s=NqOnOkZMAXSVx1gwxImjnsbukAkdainw2iW_92d3N90&e= > < > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ipc.org_&d=DwIBaQ&c=ilBQI1lupc9Y65XwNblLtw&r=qMshjwqeixvQjs1qYTl8aRebuaqi25nLzYlpmDF6tjI&m=cj6quZN5T-GIsQ_fA2o248H_TXVhzzYWV2eeRkmvcds&s=c88ARlxsfcM0frn004clJHMqEpv5PKBE6_Zi5yTmkXA&e= > > > > > > > > On Dec 7, 2018, at 8:15 AM, Drew A. Meyer <[log in to unmask]<mailto: > > [log in to unmask]>> wrote: > > > > Guy, > > > > Just got booted myself! My IT departments response was subscribe again. > > It appears that some software guarding the email is rejecting some > TechNet > > emails. After so many rejected emails TechNet un-subscribes the user. > > Unless something changes on my end I suspect I will be un-subscribed > again > > shortly. According to the note from TechNet it only took seven days for > me > > to accumulate enough rejected emails to be un-subscribed. > > > > Drew > > >
