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Responding to spam at all lets the spammer know that they've got a "live one" on the other end of the email/phone.
by _pius 15y ago
Responding to spam at all lets the spammer know that they've got a "live one" on the other end of the email/phone.
- lucaspiller 15y agoNot true for SMS. Basically all SMS gateways provide some form of delivery receipt, which are automatically sent to notify of successful delivery of a message.