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Skiff.com Email's Various Privacy Failures

Published 2 years ago August 27, 2023 6 min read

Email Authentication Failure

Published 8 years ago July 28, 2017 3 min read

The Sad State of HTML Email Input Fields and IDNs

Published 9 years ago October 23, 2016 2 min read

DNS Validation of Email Addresses in Perl

Published 11 years ago December 1, 2014 2 min read

New Version of The Email Privacy Tester

Published 14 years ago May 6, 2012 2 min read

Automatically Encrypting all Incoming Email, Part 2

Published 15 years ago February 16, 2011 2 min read

When Third Party Email Providers Leak

Published 15 years ago February 8, 2011 1 min read

Automatically Encrypting all Incoming Email

Published 15 years ago January 13, 2011 3 min read

iOS 4 iPhone Email Privacy Leak

Published 15 years ago July 13, 2010 1 min read

Extract Domains from Email Using Exim

Published 16 years ago April 30, 2010 2 min read

Automated Email Privacy Tester

Published 16 years ago February 13, 2010 2 min read

Android Email Information Leak

Published 16 years ago February 6, 2010 1 min read

Android Email Sucks

Published 16 years ago October 26, 2009 2 min read

Your Email Address Isn't Safe

Published 16 years ago September 24, 2009 1 min read

Trusting Replies to Trusted Email Messages

Published 16 years ago August 5, 2009 2 min read

Automatically Expiring Email Addresses

Published 16 years ago June 3, 2009 2 min read

Changing from GoogleMail to GMail Killed My Phones Battery Life

Published 15 years ago June 18, 2010 2 min read

Fun with Gzip Bombs and Email Clients

Published 10 months ago July 22, 2025 3 min read

Sending Email Using Curl

Published 1 year ago December 7, 2024 1 min read

Debenhams Fails at Sending Email

Published 16 years ago December 10, 2009 4 min read

Stadia Maps Privacy Fail

Published 2 months ago March 20, 2026 2 min read

Evolution Mail Users Easily Trackable Part 2

Published 10 months ago July 18, 2025 2 min read

GPGIT Broken by Breaking Change in GnuPG::Interface

Published 12 years ago March 13, 2014 1 min read

Security Bug in Thunderbird - Open Websites in Tabs

Published 12 years ago January 26, 2014 2 min read

FastMail.FM Security Vulnerabilities

Published 13 years ago June 21, 2012 7 min read

Defending Against Spear Phishing with Exim

Published 14 years ago October 3, 2011 2 min read

DNS Pre-fetch Exposure on Thunderbird and Webmail

Published 16 years ago January 23, 2010 2 min read

SpamAssassin 2010 Bug

Published 16 years ago January 1, 2010 2 min read

Apple Mail Privacy Hole

Published 16 years ago October 2, 2009 2 min read

Detecting Bad ClamAV Signatures by Scanning Ham

Published 16 years ago July 14, 2009 2 min read

Whitelist Recipients in Exim

Published 17 years ago April 25, 2009 2 min read

Exim Client Authentication Recipe

Published 17 years ago April 21, 2009 2 min read

Accessing Rejected Spam Solution

Published 17 years ago April 13, 2009 3 min read

ParseMail

Published 3 months ago February 22, 2026 4 min read

Mitigating Spear Phishing

Published 17 years ago April 8, 2009 2 min read

Exim Trick to Extract Received Header IP Addresses

Published 16 years ago May 5, 2010 2 min read

Notifications on Calendar Changes

Published 2 weeks ago May 10, 2026 2 min read

Apple's "Protect Mail Activity" Doesn't Work

Published 4 months ago January 19, 2026 3 min read

Evolution Mail Users Easily Trackable

Published 10 months ago July 9, 2025 2 min read

Lavabit Security Misconfiguration

Published 8 years ago July 6, 2017 2 min read

When Backup MXs Are Ignored

Published 9 years ago November 6, 2016 2 min read

How to Reliably Crash the iPhone's E-mail Client

Published 16 years ago February 11, 2010 1 min read

CommuniGate Pro Contact Folders as a Whitelist Source for Exim

Published 17 years ago April 17, 2009 2 min read

Microsoft Exchange Private Appointments Aren't Private

Published 15 years ago May 16, 2011 3 min read

Accessing Memcached from Exim

Published 17 years ago May 13, 2009 1 min read

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