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Stop Microsoft users sending 'reactions' to email by adding a postfix header

neilzone.co.uk

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Re: Stop Microsoft users sending 'reactions' to email by adding a postfix header

#6
post #3

The reaction email doesn't have some specific header that can be used to block it?

The UX problem is you send an e-mail, and someone "thumbs up" a response, and then you block the response and assume that they didn't care to respond, while they think they have responded.

Re: Stop Microsoft users sending 'reactions' to email by adding a postfix header

#8
post #3

The reaction email doesn't have some specific header that can be used to block it?

I just tested with an Exchange domain and nope, the reaction email has only standard headers and a bunch of x-ms- headers that are the same as for a regular email from that domain. In particular, it has an `x-ms-publictraffictype: Email` header that regular emails also have, and the envelope content-type and inner content-types are also identical (`multipart/alternative` and `text/plain; charset="us-ascii"` / `text/html; charset="us-ascii"` respectively).

Re: Stop Microsoft users sending 'reactions' to email by adding a postfix header

#10
post #3

The reaction email doesn't have some specific header that can be used to block it?

The UX problem is you send an e-mail, and someone "thumbs up" a response, and then you block the response and assume that they didn't care to respond, while they think they have responded.

The distance between "didn't care to respond" and a thumbs up emoji response is measured in angstroms.
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