I would love such a feature too. currently I have to either add a ton of identities or do a lot of unnecessary manual copy and pasting. AFAIK, you can edit the

I would love such a feature too. currently I have to either add a ton of identities or do a lot of unnecessary manual copy and pasting. AFAIK, you can edit the from field for fresh emails, when using the user-defined-from-option below your identities. Nevertheless, when you have a conversation, it would be much easier if there would be an option to use the recipients address.