You must have the from email correspond to the domain of your site. So if I am on lppa.org, only people with @lppa.org email addresses can send an email, otherwise you are violating email sending rules (spoofing) and it will not send.
You must have the from email correspond to the domain of your site. So if I am on lppa.org, only people with @lppa.org email addresses can send an email, otherwise you are violating email sending rules (spoofing) and it will not send.