Static from address
From ASRG
| 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.
