mail enable spam filter
mail enable spam filter thoughts for 12.31.1969
- Challenge response filters: An "active" sort of spam filter that works by blocking unknown senders' mail from delivery until they prove that they are well-intentioned human beings and not spammers or robots.
- Since the technology of usenet is considerably different from that of e-mail, the technical study of usenet spam remains largely distinct from that of e-mail spam.
- Typically dns queries are done invisibly to the end-user by his applications (web browsers, mail programs, etc.
- POP (post office protocol) is a protocol defined in IETF RFC 1939 (also known as STD53) that can be used by mail clients to pick up e-mail messages from a mail delivery agent.
- POP3 is the improved version and is the most widely used protocol for internet mail pickup.
- Sendmail is a popular mail transfer agent program, which serves as the baseline MTA for many standard internet mail systems.
- There are dozens of blocklists maintained by many organizations (and even individuals), and mail hosts can query these blocklists before allowing untrusted hosts to leave mail messages for them.
- A mailback script is a web automation program designed to collect messages from website visitors (via an HTML form) and deliver them privately via e-mail.
- Mailback scripts can be used by website proprietors to get feedback from visitors without exposing an e-mail address to spambots, but misconfigured mailback scripts can also be exploited by spammers to send spam untraceably.
mail enable spam filter
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