Address Anti Spam

• Scammers spoof (fake) address lines to fool people into thinking an email has arrived from a legitimate address, such as an online bank.
• To avoid spam simply use your common sense and guard your e-mail address against prying eyes.
• net e-mail address, and have SpamCop filter all your incoming mail and detain the spam.
• Domain name service (DNS) is a distributed database, accessible everywhere on the public internet, that can convert or resolve host name references to IP addresses (or vice-versa), identify mail exchanger hosts for a domain, and provide other useful features.
• The list launderer is interested only in removing addresses that don't work, and not in removing recipients who don't want the spam.
• Listwashing: The practice of removing complainers from an address list rather than deleting the list entirely.
• Listwashing often requires the complicity of the spammer's service provider, who will forward email addresses of complainers on to the spammer.
• Read privacy policies before disclosing your email address - don't register your email address on a website unless you know for sure that you can later opt-out from any emails they send you.
• Read their privacy policy to find this out and also to find out if they may sell or show your email address to a third party, who could very well be a spammer.
• Collecting e-mail addresses for a spam mailing list is called harvesting.
• A program that searches web pages and filters newsgroup postings looking for valid email addresses to be used for spam purposes.
• Since the MDA can't "reject" the mail since it's already been accepted by the MX, the best it can do is to send a bounce message back to the return-path address indicating that the mail is undeliverable.
• Real-time Block List (RBL): This differs from a block list in that it actively boycotts TCP/IP addresses known to send spam or host spammers.

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