John Levine

John Levine

Author, Consultant & Speaker
Joined on June 14, 2004
Total Post Views: 1,847,602


John R. Levine writes, speaks, and consults on the Internet, electronic mail, and related topics. He speaks to many trade, policy, and general groups. He's testified at the Federal Trade Commission Spam Forum on the mechanics of spam, and to the Senate Commerce Committee on spyware. He's spoken at the Internet Law and Policy Forum and at many conferences. He's written many books on the Internet and other computer topics. His books range from the best-selling Internet for Dummies, with over seven million copies of nine editions in print in dozens of languages, the new Fighting Spam for Dummies, and Windows XP: the Complete Reference to books on computer language tools and graphics programming.

Except where otherwise noted, all postings by John Levine on CircleID are licensed under a Creative Commons License.


Making Sense of Google's .xyz gTLD Branding

DNS Deregulation (Part 1 of 3)

A New Boom to Come? Re-Evaluating the Success of the New TLD Program

New Trend: Vanity IPv6 Addresses

Increasing DNSSEC Adoption - What if We Put DNSSEC Provision in the Hands of Registries?

DNSSEC - Failure to Launch

The Cycle of E-Mail Security

Advantages of Crowdinvesting in Financing New gTLDs

Curbing Cyber- and Typosquatting

In Congressional Hearing, Stakeholders Highlight ICANN's Failures and Need for Reform

Curbing Cyber- and Typosquatting

In Congressional Hearing, Stakeholders Highlight ICANN's Failures and Need for Reform

Asking a Better Question to Uncloak the Online Copyright Debate

Is Upping the Minimum Wage Good for the Information Security Industry?

How Much Money Is There in Complaining?

New gTLDs and Universal Acceptance

ISPs to Enforce Copyright Law

The .DOCTOR Quarantine

Google Chose to Win .APP in an ICANN Auction for $25m - Why?

The DNS Still Isn't a Directory

ICANN's Auction Piggy Bank Just Got Twice As Big

IANA Transition Planning Proceeding in Fine Internet Style

When DNSBLs Go Bad

Time to Spread the Muck, ICANN

Thirty-Three Million and Counting

Is the ICANN New gTLD Program a Draft for a V2 of the Internet?

New gTLD Fees Threaten the Diversity of the Name Space

Anti-Spoofing, BCP 38, and the Tragedy of the Commons

ICANN's .IR Response Opens Legal Can of Worms

Where Are the Registrars With New gTLDs on the Mobile Web?

Welcome to the .uk - Unless You're Not in the UK

IP Addresses in Cars, Car Manufacturers as Internet Registries? - Another Need for IPv6 Now!

New TLD Update

How Are ICANN's New TLDs Doing?

1st Sealed Bid gTLD Contention Auction Completed for the String .One

The Need for a Remedial gTLD Program for #newgtlds

Singular and Plural New gTLDs: Costly Headaches

Will the ICANN Auctions Kill off New gTLD Innovation?

Technical Viability of Dotless Domain Names

An Internet Governance Update

New gTLD Registration Strategies: Preparing for the Inevitable

Wow. That's a Lot of Reserved Names

Plumbing Neutrality

Singular and Plural New gTLDs: Costly Headaches

Singular and Plural TLDs: A Rather Strange Decision

GAC, Inside Out: When GAC Members Abuse ICANN Procedures...

Verisign Doesn't Think the Net Is Ready for a Thousand New TLDs

The Incredible Leakyness of Commercial Mailers

Private vs. ICANN Auction of Last Resort

gTLD Contention Set Auctions: Private Auction Alternatives

A Confession About The ICANN WHOIS Data Reminder Policy

Running DNSBLs in an IPv6 World

IPv6 DNS Blacklists Reconsidered

How Spam Has Damaged Mail Forwarding - And Ways to Get Around It

Google's Free Public DNS Load Tops VeriSign, Raising Dot-Com Contract Tender Question

How Frequently Do Botnets Reuse IP Addresses?

World Notices That Verisign Said Three Months Ago That They Had a Security Breach Two Years Ago

Trademarking .generics - the .bank Fiasco!

Is Africa Ready for a dotAfrica gTLD Future?

The Mainsleaze Blog

Email in the World's Languages - Part III

New gTLD Applicants Must Reduce Cognitive Biases

Top-Level Domains and Search

Searching Under Lampposts with DKIM

US Laws Remain Set to Govern Upcoming Multilingual Internet via New gTLDs

New ICANN Requirements for New gTLDs Are Irrelevant

The gTLD Boondoggle

IP Blocklists, Email, and IPv6

ICANN Approves .XXX Again

IP Blocklists, Email, and IPv6

IPv6 and Transitional Myths

A New Internet Extension Can Compete with .COM

Landing Sites, Internet's Achilles Heel of the Internet?

United States Is the Most Bot-Infected Country. Right?

The Spamhaus Whitelist

Could .NAME be the Killer App ENUM is Waiting For?

MOPO - The Latest Speed Bump on ICANN's New gTLD Superhighway

ARF is Now an IETF Standard

Dot-Jobs Expansion Worries Job-Site Operators

Sender Address Verification: Still a Bad Idea

Creditor Can Execute Against Domain Name Where Registry is Located: Office Depot v. Zuccarini

How Not to Develop Public Policy

A Thought About Not-Quite-ASCII Top Level Domains

How Do You Do Secure Bank Transactions on the Internet?

The Tempest in the TLD Teapot

Google's Simple Home Page Now Patented

Helping Banks Fight Phishing and Account Fraud, Whether They Like It or Not

Why Can't We Make the Internet Secure?

Accepting New Top-Level Domains As Suffix-Less Cyber Brands

DNS, My God It's Full of Stars...

How Unconscionable is the Profit That Verisign Makes from Its Registry?

Fight Phishing With Branding

DKIM for Discussion Lists

IPv6 and LTE, the Not So Long Term Evolution?

ICA to ICANN: The IRT Must Open Up Or Be Stripped of Official Status and Support

IGP: ICANN Gets "Securitized"

Searching for Truth in DKIM: Part 2 of 5

Sender Address Verification: Still a Bad Idea

ICANN Blows $4.6 Million In Stock Market

That Letter to ICANN from the NTIA

Spam Fighting: Lessons from Jack Bauer?

ICANN Sets the Schedule to Kill Domain Tasting

ICANN Responsible for Domain Name Trademark Mess

Facebook Wins $800M Against Spammer. So What?

How Fast is Internet Traffic Growing?

Facebook Wins $800M Against Spammer. So What?

ICANN Responsible for Domain Name Trademark Mess

Users Don't Like Forwarded Spam

Cluck, Cluck... ICANN and Contract Compliance Enforcement

How Much Do You Think a .ORG, .BIZ, or .INFO Domain Costs?

Why New TLDs Don't Matter

A Case of Mistaken Identity

A Patent for SiteFinder-Like Resolution

The Anti-Phishing Consumer Protection Act of 2008

The Front Running Class Action Suit

Domain Tasting to Go Away for Real This Time

More on Dell's Anti-Tasting Suit

More on WHOIS Privacy

Spamhaus Appeal: They Win on Substance

More on WHOIS Privacy

Registerfly Victims Are Really Stuck Now

Squeegee Domains

Oklahoma Spammer Fighter Loses Even Worse

IETF Has Approved DKIM, DomainKeys Identified Mail

Splitting the Root: It's Too Late

ICANN Asked to Adopt Specific TLD for Banks

An Alternative to .XXX: IANA Adult Port Assignments

More Top-Level Domain Wildcards

Huge Increase in Spam in October Email

Nation of Cameroon Typo-Squats the Entire .com Space

Another Try at Proof-of-Work e-Postage Email

More Top-Level Domain Wildcards

Nation of Cameroon Typo-Squats the Entire .com Space

Another Try at Proof-of-Work e-Postage Email

In Bad Taste

Sponsored TLD Unnecessary? Ron Andruff Responds to Forrester Research

The Politics of Email Authentication, 2006 Edition

Splitting the Root: It's Too Late

Time to Renew .coop, .museum, and .aero ICANN

Splitting the Root: It's Too Late

DMA Requires Email Authentication, Do We Care?

ICANN Gets the Root Zone, Too

Welcome to the Root, .MOBI

Verisign Gets .COM Forever, But ICANN Gets a Lobbyist

Abusive Anti-Anti-Spam Scheme a Dreadful Strategy

Maybe the IETF Won't Publish SPF and Sender-ID as Experimental RFCs After All

SPF Loses Mindshare

Abusive Anti-Anti-Spam Scheme a Dreadful Strategy

We Hate Spam Except, Of Course, When It's Inconvenient to Do So

Topic Interests

SecuritySpamEmailPrivacyInternet ProtocolLawIP AddressingCybercrimeDNSDomain NamesRegistry ServicesTop-Level DomainsICANNDNS SecurityRegional RegistriesMultilinguismCensorshipNet NeutralityAccess ProvidersInternet GovernanceWebPolicy & RegulationVoIPTelecomWhoisP2PMalwareCybersquattingCyberattackIPv6BroadbandMobileWirelessEnumDDoS

Recent Blogs

ICANN Wins a Very Weak TLD Lawsuit

Dot SUCKS: The Ultimate Vanity Domain

Are Apps a Passing Phase?

The Cycle of E-Mail Security

Rodney Joffe Wins a Well-Deserved Mary Litynski Award

Popular Posts

How to Stop Spam

Oklahoma Man Wins $10 Million Judgment Against a Spammer

SPF Loses Mindshare

The Anti-Phishing Consumer Protection Act of 2008

In Bad Taste