Search results
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Blocklists & Spam Monitoring
SWINOG Blacklist: Email Blocklist Removal Guide
Swiss network operators group blocklist. Maintenance has become inconsistent. Primarily historical relevance to Swiss email infrastructure.
smtpedia.com/swinog-blacklist-removal -
Blocklists & Spam Monitoring
S5H.NET Blacklist: Email Blocklist Removal Guide
Simple independent DNSBL listing IPs that send mail to S5H.net's trap network. Low maintenance overhead for operators, automatic listing and expiry.
smtpedia.com/s5h-net-blacklist-removal -
Blocklists & Spam Monitoring
Schulte Blacklist: Email Blocklist Removal Guide
Independent DNSBL operated by a German researcher. Has been discontinued. DNS queries return NXDOMAIN or SERVFAIL. Historical reference only.
smtpedia.com/schulte-blacklist-removal -
Blocklists & Spam Monitoring
TRIUMF Blacklist: Email Blocklist Removal Guide
Internal blocklist operated by the TRIUMF particle physics laboratory in Vancouver. No longer actively maintained or publicly deployed.
smtpedia.com/triumf-blacklist-removal -
Blocklists & Spam Monitoring
TRUNCATE: Email Blocklist Removal Guide
The highest-severity tier of GBUdb's IP reputation system. Lists IPs with so poor a reputation that no legitimate mail has been observed from them. Used by SpamStopsHere and enterprise mail…
smtpedia.com/truncate-blacklist-removal -
Blocklists & Spam Monitoring
FABELSOURCES: Email Blocklist Removal Guide
Dutch DNSBL that was part of the FabelSources anti-spam project. Discontinued. No longer operational.
smtpedia.com/fabelsources-removal -
Blocklists & Spam Monitoring
KEMPTBL: Email Blocklist Removal Guide
A DNSBL zone associated with Kemp Technologies and Spamhaus network infrastructure. No longer actively maintained. DNS responses are unreliable.
smtpedia.com/kemptbl-blacklist-removal -
Blocklists & Spam Monitoring
0SPAM Blacklist: Email Blocklist Removal Guide
Independent DNSBL with both RBL (IP-based) and standard spam lists. Populated from trap networks and community reports. Used in some SpamAssassin configurations.
smtpedia.com/0spam-blacklist-removal -
Blocklists & Spam Monitoring
CALIVENT: Email Blocklist Removal Guide
Blocklist that focused on malware-sending and compromised host sources. Discontinued. No longer operational.
smtpedia.com/calivent-blacklist-removal -
Blocklists & Spam Monitoring
JIPPG: Email Blocklist Removal Guide
JumpStart Internet Packet Pro Guard — independent spam blocklist from the early 2000s. Long discontinued. Historical reference only.
smtpedia.com/jippg-blacklist-removal
