Sending emails from a VPS server must be done through an SMTP server installed directly on your VPS machine.
You cannot send mails through smtp.simply.com.
On Linux you can send through f.x Sendmail or Postfix, and on Windows you can use the SMTP Service in IIS.
Be sure to send the mail from a valid domain, both in "From" and "Return Path".
Article from the support category: VPS
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We strongly advice you to choose another password
The entered password is known in "Have I Been Pwned", which is a public database of leaked passwords on the internet.
Probably you (or someone else) used the password before on a website, which is known to have leaked the password. It is not safe to use this password.
We strongly recommend that you choose a different password.
Enter your password here for more information https://haveibeenpwned.com/Passwords .
