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Download for Linux and Windows

Download the fully functional SMTPSwitch Mailer for Linux or Windows using the links below. SMTPSwitchMailer is easy to setup and we have versions for both Windows or Linux.

Windows 32 Bits

Windows 64 Bits


The setup guide for the Windows version can be downloaded here

The setup guide for the Linux version ( Centos) can be downloaded here

Watch the online DEMO here

We also offer an optional free trial real-time email validation API key with 500 credits to verify up to 500 email addresses when requested. The email validation API key will enable you to configure the mailer to perform full email validation before sending your campaigns to the emails; all in real-time.

Note: You will need to download and host the application on your own Windows VPS/PC or Linux VPS/Webserver. We do not offer a paid hosted version of the mailer neither do we offer any trial version. If you would to review the features or capabilities of the application, download this PDF file.

You need to have your own dedicated server or VPS in order to use the application. SMTPSwitch Mailer is an SMTP Relay application; therefore you need to have your private SMTP or third party SMTP to use it.

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