smtp

How to check if SMTP is working from commandline (Linux)

How to check if SMTP is working from commandline (Linux) The SMTP (Simple Mail Transfer Protocol) is an Internet standard for electronic mail (Email) transmission across Internet Protocol (IP) networks. This tutorial shows…
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How open tracking works?

How open tracking works? Each time you send an email campaign through Mail250, we embed a tiny invisible image at the bottom of your HTML email. This open tracker image,…
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