//#define DEFAULT_EMAIL_NETWORK_TYPE_ARDUINO NETWORK_W5100 <== deleting the // , the line must be made active
EMailSender emailSend(“apikey”, “apikey-psw”, “<my sendgrid email>”, “smtp.sendgrid.net”, 587);
// apikey remains apikey
// apikey-psw is the key given by SendGrid (64 characters)
// snedgridmail ==> do not put the < >
// ERROR : EMailSender::Response resp = emailSend.send(“the email i want the maessage to go”, message);
ok => EMailSender::Response resp = emailSend.send(“recipient@mail.***”, message);
make these changes and it should work
SendGrid is normally free for non-intensive personal use
since you didn’t put a destination address, it couldn’t go … “recipient@mail.***”