We frown upon it, and our server would have put that in, if you got it from my email. It's complex, and the science of detecting a forgery is ... Complex.
Sadly. Main point is, try not to look like a spammer, and it's worse to try and look like another legit sender if you're not them. Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Got the Junk Mail Reporting Tool ? -----Original Message----- From: mailop <[email protected]> On Behalf Of Michael Peddemors Sent: Monday, March 19, 2018 2:50 PM To: [email protected] Subject: Re: [mailop] Missing Message-ID? On 18-03-19 02:34 PM, Michael Wise via mailop wrote: > > If a sample email arrives from an external source with OUR message-id, we > frown upon that. > According to the RFC, it's a "SHOULD"... > But no email sender in their right mind should emit traffic without a valid, > internet-wide-unique Message-Id. > > Just makes you look like a spammer. > And a word of caution ... don't try and make one that looks JUST LIKE one you > see on the internet. > Make it YOURS... > Safer. > > For reasons best left as an exercise. > > Aloha, > Michael. > Awww? Can't we put in one of these? (Some spammers do.. ) Message-ID: <bn6pr21mb0689228845afeb8d653bd3be80...@bn6pr21mb0689.namprd21.prod.outlook.com> PS, what kind of an email client do you use? Didn't it set the message ID? Or did your server replace it? -- "Catch the Magic of Linux..." ------------------------------------------------------------------------ Michael Peddemors, President/CEO LinuxMagic Inc. Visit us at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linuxmagic.com&data=04%7C01%7Cmichael.wise%40microsoft.com%7Ca8474e84901d4a1505a008d58de472ad%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636570934679097659%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwifQ%3D%3D%7C100&sdata=R5cIx%2B9SLEaWfDlC%2Bmu%2BK0YfLmrkVMK1d3EfpYks3Oc%3D&reserved=0 @linuxmagic A Wizard IT Company - For More Info https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.wizard.ca&data=04%7C01%7Cmichael.wise%40microsoft.com%7Ca8474e84901d4a1505a008d58de472ad%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636570934679097659%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwifQ%3D%3D%7C100&sdata=WUXMAbi9%2FptQ4k3hXtNEQD09Ind9PP%2Ba%2BPnGp9XSOzg%3D&reserved=0 "LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd. ------------------------------------------------------------------------ 604-682-0300 Beautiful British Columbia, Canada This email and any electronic data contained are confidential and intended solely for the use of the individual or entity to which they are addressed. Please note that any views or opinions presented in this email are solely those of the author and are not intended to represent those of the company. _______________________________________________ mailop mailing list [email protected] https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchilli.nosignal.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fmailop&data=04%7C01%7Cmichael.wise%40microsoft.com%7Ca8474e84901d4a1505a008d58de472ad%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636570934679097659%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwifQ%3D%3D%7C100&sdata=plOdvjuqd2er%2FcxiOwq9cI96XGasddDHDnq7EmULK5o%3D&reserved=0 _______________________________________________ mailop mailing list [email protected] https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
