Hi. I wonder, which header should I set to show a profile picture in Microsoft Outlook (standalone client)?
(I know that, I for, security reasions, may need to enable or set some configuration for this to work) I know that I can add labels to a email by using "Keywords:" header, and then going in settings and set "Show categories", and then the labels will show. In this way, I can show important information in the client from the server side. The thing is, that BIMI and brand images are not supposed to be handled client-side, but on the server side, so now I want to implement a experimental BIMI support in my exim configuration. This by fetching the BIMI and then setting this as profile picture inside Outlook programmatically. And also implement some "fallback logic" for when theres no BIMI logo, and possible show a label if the logo is correctly BIMI-verified. This ofcourse means I need to be able to set the profile picture even for email adresses I don't own, for incoming emails, by inserting/changing a header in the incoming mail. So the idea is basically: 1: Email lands in my server 2: Verify BIMI on email 3: Do some other logic stuff 4: If everything checks out, insert header to show logo as profile picture in Microsoft Outlook Standalone Client (instead of the first letter in all names) Note that Microsoft Outlook Client, will not have BIMI support, and will never do. Its just webmail operators that will get full fledged BIMI support. I have tried with X-Image-URL but didn't work (even tough loading of images from external sources are turned on) Best regards, Sebastian Nielsen
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