Why I cannot send an email from my phone?
Why I can’t send emails from my iPhone? I used to be able to, but now I can’t.
iPhone 11
If you already tried (to no avail) ALL the steps provided in the support article that led you here (section "Remove your email account and set it up again" included), contact Apple Support directly, using this link:--> Contact Apple for support and service.
Regards
Giulio