Testing a Serial COM Port Printer

I work in the hospitality industry where it is common to still find serial receipt printers. In this post I will cover how you can perform as basic test print from the windows command prompt, without the need for any …

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SPF, DKIM and DMARC Confused?

When it comes to securing your outgoing email domains from those who want to impersonate you or your business. There are various technologies you can implement to add protection and build customer trust. In this post we will cover SFP, …

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