Was email received?

[Ingo Klöcker]

On Donnerstag, 11. März 2021 05:34:09 CET John White wrote:
> Is there a way in kmail to see whether the recipient of an email received
> the email?  Opened the email?

KMail offers the option to request "disposition notifications" (MDN) and/or 
"delivery confirmations" (DSN) via the Options menu of the message composer. 
See https://en.wikipedia.org/wiki/Return_receipt for details.

Note that for privacy reasons sending of MDNs is disabled in KMail (and most 
likely in many other email clients) by default, i.e. even if you request an 
MDN it's not very likely that you will receive an MDN.

I'm not sure how DSNs are handled because they are issued by the mail servers, 
i.e. before the emails reach KMail or other mail clients.

Regards,
Ingo
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