Information Technology Reference
In-Depth Information
Anti-Spam Configurations
Principle:
Anything not explicitly permitted is denied.
Premise:
Mark valid e-mail... anything not marked is not valid.
2
2
Internet
MVP
Server
MVP
Server
1
1
2
Subscription Request
Issue e-mail ticket
Request Verification
Verification Notice
2
3
3
Mail
Server
Mail
Server
E-mail
Verifier
hree Configuration Viewpoints
Bit Bucket
1
In-band; message embedded, or extension to SMTP or other e-mail protocols
2
Out-of-band; extend e-mail protocols to include a supporting mail verification protocol (MVP)
3
hird-party verification; subscribe to an e-mail verifier... PKI like trust model of issuance & revocation
Figure 9.4
Alternatie anti-spam methodologies.
