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Incoming emails and message IDs in headers

Luzern
Seasoned Pro
Posts: 3,214
Thanks: 312
Fixes: 2
Registered: 31-07-2007

Incoming emails and message IDs in headers

I have been in communication with a company and notice what seems odd to me. In most messages the ID the ending is associated with the sender e.g. amazon.co.uk but on a few it is not. I have seem IDs ending with @inmx01.plus.net or even a third party.
Can anyone explain in simple terms why the headers may not always apparently relate to the sender?
No one has to agree with my opinion, but in the time I have left a miracle would be nice.
3 REPLIES
Community Gaffer
Community Gaffer
Posts: 13,289
Thanks: 1,059
Fixes: 86
Registered: 04-04-2007

Re: Incoming emails and message IDs in headers

It's dependent on the behaviour of the client used to send the message I believe.

Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵

Luzern
Seasoned Pro
Posts: 3,214
Thanks: 312
Fixes: 2
Registered: 31-07-2007

Re: Incoming emails and message IDs in headers

Seems odd though that one company should use different email clients, even if the sending email addresses are slightly different,
No one has to agree with my opinion, but in the time I have left a miracle would be nice.
Community Gaffer
Community Gaffer
Posts: 13,289
Thanks: 1,059
Fixes: 86
Registered: 04-04-2007

Re: Incoming emails and message IDs in headers

Not really, it's a similar tale at Plusnet. e.g. an automated billing notice, a marketing offer and a direct email from an employee are all sent by different systems.

Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵