Mailjet’s SMTP Relay lets you send emails directly from your favourite email client (Outlook, Thunderbird, etc) or via a technology that supports SMTP (PHP, Java, Postfix, Exim, ...).
To send email from your email client or program, you need to change your SMTP settings to point to Mailjet’s SMTP server.
To view your SMTP Credentials, go to Account settings → SMTP and SEND API settings or click HERE.
On the SMTP settings page, you will find your username and password (API Key & Secret Key), along with the Mailjet SMTP Server name, and ports:

To learn which SMTP Ports you should use with Mailjet, please read our blog article.
If you have additional questions or need assistance, please contact our Support Team.
To view your SMTP Credentials, go to Account settings → SMTP and SEND API settings or click HERE.
On the SMTP settings page, you will find your username and password (API Key & Secret Key), along with the Mailjet SMTP Server name, and ports:
To learn which SMTP Ports you should use with Mailjet, please read our blog article.
If you have additional questions or need assistance, please contact our Support Team.