Sfr. fr mail
You're looking for a way to send an email with a subject line that says "SFR" and a body that says "FR mail". Here's an example of how you can do that:
Subject: SFR
Body: FR mail
Here's the email in a more formal format:
Subject: SFR
Dear [Recipient],
FR mail
Best regards, [Your Name]
If you want to send this email using a specific email client or platform, please let me know and I can provide you with more detailed instructions.