Static from address

From ASRG
Jump to navigationJump to search
Anti-spam technique: Static from address
Date of first use: early 1990s
Effectiveness: Low
Popularity: High, built into many MUAs
Difficulty of implementation: easy
Where implemented: MUA or MTA
Harm: {{{harm}}}


Blacklisting senders was one of the earliest anti-spam techniques. It worked surprisingly well until spammers realized how easy it was to fake the addresses in mail headers and SMTP sessions.