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Finding servers that allow anyone to send email, which are then exploited for spam. If you have a specific task in mind

Downloading software titled "SMTP Scanner" from unverified sources carries extreme risk: Finding servers that allow anyone to send email,

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If your goal is to test your own server's performance or verify email deliverability, stick to industry-standard, transparent tools:

: Security professionals use SMTP scanners to identify unauthorized mail relays or misconfigured servers that could be exploited for spam .