You try to load most possible setting just by providing e-mail.
However you do not load perosn name and avatara, at least not on Win32 version lacking OAuth
I don't know if there is a practical non-OAuth way to load user name.
But at least for a picture there is a long standing de factor standard - gravatar.
And maybe others less known gravatar-like services too.
So i wish you fetch the user's picture automatically as soon as e-mail is authenticated.
I don't know how gravatar works, but from what i know is that we don't support it on any platform. Also not sure if we want to integrate a centralized service. I would propose moving further discussion about this feature request to the support forum, we try to keep the github issues a place for bugs :)
Since XFace MIME header got all but forgotten (did you even heard?) then to fetch an avatara only two options are left - make custom non-RFC provider-specific plugins (one for Gmail, one for Yandex, etc) and to use some de-facto standard as a fall-back
read first (the issue that led to our current implementation): https://github.com/deltachat/deltachat-core-rust/issues/807
related (send avatar as vcard): https://github.com/deltachat/deltachat-core-rust/issues/1256
If you got feature requests/suggestions, please use our forum: https://support.delta.chat/
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I don't know how gravatar works, but from what i know is that we don't support it on any platform. Also not sure if we want to integrate a centralized service. I would propose moving further discussion about this feature request to the support forum, we try to keep the github issues a place for bugs :)