[Jules]

ok ok I understand now:

smtp.gmail.com requires a TLS/SSL connection and an App Password if you are using a Google account (2-step verification). The standard W5100 (Ethernet) shield does not support TLS/SSL, so it cannot connect directly to smtp.gmail.com over 465 (SSL) or perform STARTTLS over 587

So, I’ll look for another solution.

You can close this topic.

[Jules]

//#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.***”

[Jules]

it’s a simple 2-level confirmation …
(mail + password) and mobile number
Sorry, but I don’t think we can call each other. I live in Belgium and I don’t understand enough English to hold a conversation. Writing is one thing, but conversation is another…

[Jules]

You need to create a SendGrid account and take the free option.
You will need a confirmation app on your mobile phone.
then create an api (relay).
Save your codes, they won’t be visible after they’ve been created.
that should do it.
see : https://sendgrid.com/en-us/blog/smtp-relay-service-basics

• This reply was modified 1 year, 6 months ago by Jules.

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