Free SMTP Server with Username and Password

For whatever reason there might be, you need a free SMTP server and you need it fast. Luckily we can help you with this.

Just follow the instructions below to get your free SMTP server up and running.

Included in this are: your SMTP username, SMTP password and if you need a SMTP API, we got you covered.

Total time needed 3 minutes

Follow these steps to get your own free SMTP Server:

  1. Sign up for a free Kingmailer account

    Visit to sign up for a free account.
    You will receive an email with the activation link to verify your account.

  2. Add your domain

    You are now logged in into your account. The first thing to do is add your domain. We will ask you to verify the domain, to make sure you are the owner. This can be done via email or by adding a txt record to your DNS. If you are not sure about this, you can send us an email.

  3. Almost there…

    To start using your free SMTP server, you need to add two more TXT records to your DNS. The SPF and DKIM records. You can find these records by going into your Kingmailer-account under Domains.

  4. Your SMTP server is ready

    Visit the Help section in the top right and there you will find your SMTP credentials. You can now start using it.

    You can use this settings:
    SMTP Host:
    Type of encryption: TLS
    SMTP Port: 587, 465, 25 or 2525
    SMTP authentication: Yes
    SMTP username: your SMTP username
    SMTP password: your SMTP password

Easy right? It’s too easy compared to other vendors. Best of luck ๐Ÿ˜€