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- 00:32, 15 December 2010 SRS (hist) [599 bytes] Johnl (Talk | contribs) (Created page with "{{ast |date=2003 |difficult=Easy |popular=Low |effective=Low |harm=Low |where=MTA }} A Sender Rewriting Scheme (SRS) has been proposed for mail forwarders to use to make forward…")
- 00:17, 15 December 2010 SPF (hist) [1,080 bytes] Johnl (Talk | contribs) (Created page with "{{ast |date=2003 |difficult=Easy |popular=Medium |effective=Medium |harm=High |where=MTA }} SPF (originally Sender Permitted From, now Sender Policy Framework) is a path manageme…")
- 12:08, 30 September 2010 Retaliation (hist) [1,345 bytes] Meta (Talk | contribs) (Added an initial cut at a description.)
- 11:51, 30 September 2010 Attention bonds (hist) [2,681 bytes] Meta (Talk | contribs) (Added an initial cut at a description.)
- 11:35, 30 September 2010 Collaborative filters (hist) [2,425 bytes] Meta (Talk | contribs) (Added an initial cut at a description.)
- 13:32, 28 September 2010 Bayesian filters (hist) [2,053 bytes] Johnl (Talk | contribs) (Created page with '{{ast |date=2002 |difficult=Medium |popular=High |effective=Varies |harm=Varies |where=MTA/MUA }} Bayesian filters were first proposed in Paul Graham's [http://www.paulgraham.co…')
- 10:54, 17 April 2010 Path validation manual techniques (hist) [835 bytes] Johnl (Talk | contribs) (Created page with '{{ast |date=late 1990s |difficult=Low to do poorly, High to do well |popular=Medium |effective=Low |harm=Low |where=MTA/MUA }} It is possible albeit labor-intensive to make speci…')
- 17:02, 13 February 2010 Adding a junk button to MUAs (hist) [10,839 bytes] Johnl (Talk | contribs) (Created page with 'Most web mail systems have a button a user can push to mark a message as junk, and report it back to their mail host. How would one add a similar button to a regular MUA? For th…')
- 11:26, 14 December 2009 Abuse Reporting (hist) [8,902 bytes] Veseley (Talk | contribs) (Start new page -- to be completed soon)
- 07:04, 26 August 2009 SMTP pull (hist) [3,230 bytes] Veseley (Talk | contribs) (new page)
- 09:02, 15 June 2009 Challenges (hist) [1,903 bytes] Johnl (Talk | contribs) (New page: {{ast |date=1990s |difficult=Medium |popular=Medium |effective=Medium |where=MTA or MUA |harm=High }} Challenges or Challenge/Response (C/R) attempts to validate unknown senders by replyin...)
- 08:26, 15 June 2009 Captchas (hist) [1,840 bytes] Martins (Talk | contribs) (New page: Captchas (from "Completely Automated Public Turing test to tell Computers and Humans Apart") is a method originally designed to protect web forms from being completed by robots. When usin...)
- 08:55, 29 May 2009 URL filtering (hist) [931 bytes] Martins (Talk | contribs) (New page: = URL filtering =)
- 16:09, 27 May 2009 Rate limits (hist) [706 bytes] Martins (Talk | contribs) (New page: {{ast |date=early 2000 |difficult=Low |popular=High |effective=Low |harm=Low |where=MTA }} The idea behind rate limit is that usually humans and legitimate mail servers send messages at s...)
- 19:53, 30 January 2009 Code words (hist) [544 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 1990s |difficult=Low |popular=Low |effective=Medium |harm=Low |where=MUA or manual }} Code words are a variant on tagged addresses that put the tag in the Subject: line. ...)
- 08:18, 3 December 2008 Interesting Papers (hist) [733 bytes] Johnl (Talk | contribs) (New page: Some papers on the net cited in ASRG discussions: == Postage == * [http://arxiv.org/abs/0802.0832 Distributed Double Spending Prevention] * [http://www.taugh.com/epostage.pdf An overvie...)
- 18:36, 1 December 2008 Postage (hist) [2,004 bytes] Johnl (Talk | contribs) (New page: {{ast |date=1980s |difficult=Difficult to impossible |popular=Low |effective=Unknown |where=MTA or gateway |harm=High }} Spam is possible because the costs are asymmetrical. Sending mail c...)
- 23:42, 12 August 2008 Tarpitting (hist) [896 bytes] Johnl (Talk | contribs) (New page: {{ast |date=late 1990s |difficult=Medium |popular=Low |effective=Low |where=MTA |harm=Low }} Tarpitting involves keeping SMTP clients online as long as possible, on the theory that while ...)
- 23:33, 12 August 2008 Greet pause (hist) [816 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 2000s |difficult=Easy |popular=Medium |effective=Medium |where=MTA |harm=Low to Medium }} Greet pause simply delaying before a server sends the initial banner. Some spam...)
- 23:28, 12 August 2008 Early talker detection (hist) [708 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 2000s |difficult=Easy |popular=Medium |effective=High |where=MTA |harm=Low }} The SMTP standards say that at the beginning of a connection, the server first sends a gree...)
- 18:11, 12 August 2008 Tarpitting and other timing techniques (hist) [164 bytes] Johnl (Talk | contribs) (New page: Techniques that use timing characteristics of SMTP mail to detect or deter spam. * Tarpitting * Early talker detection)
- 15:15, 12 August 2008 Message validation techniques (hist) [672 bytes] Johnl (Talk | contribs) (New page: As senders increasingly use whitelists, reputation, and introduction techniques to recognize mail from good senders, the bad senders have an increasing incentive to pretend to be good send...)
- 15:11, 12 August 2008 Introduction techniques (hist) [1,074 bytes] Johnl (Talk | contribs) (New page: One approach to dealing with spam is to divide senders into known senders, and unknown senders. This replaces the spam problem with the ''introduction problem'', how to allow unknown sende...)
- 10:39, 30 July 2008 Taxonomy of spamming techniques (hist) [3,475 bytes] Tony-hansen (Talk | contribs) (New page: this is a place holder until some real content can be added)
- 18:59, 20 May 2008 DNS blacklists (hist) [559 bytes] Johnl (Talk | contribs) (New page: {{ast |date=about 1997 |difficult=Medium |popular=High |effective=High to Low |harm=Low to High |where=MTA }} DNS blacklists publish lists of IP addresses that share an undesirable charact...)
- 13:55, 18 May 2008 List managers (hist) [660 bytes] Johnl (Talk | contribs) (New page: Mailing list management software and how they identify senders ;Majordomo :Versions 1 and 2, both use 2822 From: ;Mailman :Uses 2822 From: ;ezmlm and ezmlm-idx :Uses 2821 bounce address...)
- 23:25, 8 May 2008 ASRG at IETF 72 (hist) [1,804 bytes] Johnl (Talk | contribs) (New page: The ASRG will meet at IETF 72 in Dublin, since the chair will be there anyway. If you're planning to attend or have a topic you'd like to put on the agenda, drop a note to [mailto:chair@a...)
- 23:21, 8 May 2008 Recognizing known correspondents (hist) [876 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 1990s |difficult=Low |popular=High |effective=Medium |harm=Low |where=MUA }} Most mail programs provide an address book of some sort. A very popular technique is to white...)
- 23:13, 8 May 2008 Tagged addresses (hist) [1,092 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 1990s |difficult=Medium |popular=Medium |effective=High |harm=Low |where=MTA or MUA }} Tagged addresses add a second part to an existing address that is not used for mail...)
- 23:00, 8 May 2008 Adaptive filters (hist) [122 bytes] Johnl (Talk | contribs) (New page: Techniques that adjust the features they look for based on experience. * Bayesian filters)
- 05:34, 22 March 2008 Disposable addresses (hist) [1,476 bytes] Pars.mutaf (Talk | contribs) (New page: A disposable e-mail address is an address that is disabled when SPAM arrives. Typically, a user has many disposable addresses, and the distributes a different one to each correspondent.)
- 11:34, 21 March 2008 Do not spam lists (hist) [976 bytes] Johnl (Talk | contribs) (New page: {{ast |date=Before 1998 |difficult=Medium |popular=Low |effective=Low |harm=Low |where=External }} Telephone do-not-call lists have been a fairly effective way to deter junk phone calls, s...)
- 10:58, 21 March 2008 No spam notices (hist) [696 bytes] Johnl (Talk | contribs) (New page: {{ast |date= |difficult=Low |popular=Low |effective=Low |harm=Low |where=MTA }} No spam notices are analogous to the "no junk mail" notices that people can put on their physical mailboxes ...)
- 09:43, 15 March 2008 HELO/EHLO Pattern Matching (hist) [1,011 bytes] Randy (Talk | contribs) (New page: {{ast |date= |difficult=Low |popular=Low |effective=High |harm=Low to Medium |where=MTA }} SMTP requires the client to send either its fully-qualified domain name or its IP address in squa...)
- 09:30, 15 March 2008 DNS validation (hist) [2,155 bytes] Randy (Talk | contribs) (New page: {{ast |date= |difficult=Low |popular=Medium |effective=High to Low |harm=Low to High |where=MTA }} DNS Validation techniques attempt to verify that the SMTP client system is a legitimate n...)
- 09:46, 14 March 2008 Timing and protocol defects (hist) [831 bytes] Randy (Talk | contribs) (New page: SMTP requires that clients wait for a 2xx response to the HELO or EHLO command before proceeding. One ant-spam technique, known as a ''premature pipeline check", detects extra data in the...)
- 09:41, 14 March 2008 Callbacks (hist) [2,193 bytes] Randy (Talk | contribs) (New page: SMTP server connects to SMTP client on port 25 during transaction. Usually, following MAIL FROM and at least one RCPT TO, the SMTP server opens a connection to the SMTP client system on p...)
- 17:42, 13 March 2008 Path validation (hist) [3,442 bytes] Johnl (Talk | contribs) (New page: Techniques that match up the apparent sender of a message with the path via which it arrived. * [Path validation manual techniques]] * SPF (Sender permitted from) * Sender-ID *...)
- 15:42, 13 March 2008 ASRG at IETF 71 (hist) [1,108 bytes] Johnl (Talk | contribs) (New page: ASRG met on Tuesday 11 March, and was well attended with about 40 people.)
- 18:04, 16 January 2008 Greylisting (hist) [3,085 bytes] Punkki (Talk | contribs) (New page: {{ast |date=early 2000s |difficult=medium |popular=Low, increasing |effective=High |where=MTA }} Greylisting (AKA graylisting) is an extremely effective method against fly-by-night (i.e. ...)
- 01:30, 15 January 2008 Static IP address (hist) [501 bytes] Johnl (Talk | contribs) (New page: {{ast |date=mid 1990s |difficult=easy |popular=High, built into many MTAs |effective=High |where=MTA, with difficulty in MUAs }} Manually maintained IP blocks work well against fixed spam...)
- 01:23, 15 January 2008 Static body keyword (hist) [267 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 1990s |difficult=easy |popular=High, built into many MUAs |effective=Low |where=MUA or MTA }} Body keyword filters originated about the same time as [[Static subject keyw...)
- 01:17, 15 January 2008 Static subject keyword (hist) [736 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 1990s |difficult=Easy |popular=High, built into many MUAs |effective=Low |where=MUA or MTA }} Subject filters were are are popular, since large amounts of spam still is a...)
- 00:55, 15 January 2008 Static from address (hist) [304 bytes] Johnl (Talk | contribs) (New page: {{ast |date=early 1990s |difficult=easy |popular=High, built into many MUAs |effective=Low }})
- 00:28, 15 January 2008 Static filters (hist) [161 bytes] Johnl (Talk | contribs) (New page: Techniques that look for fixed features of messages. * Static from address * Static subject keyword * Static body keyword * Static IP address)
- 01:20, 29 July 2007 Assessing anti-spam techniques (hist) [94 bytes] Johnl (Talk | contribs)
- 00:41, 29 July 2007 Description of DNSBLs (hist) [135 bytes] Johnl (Talk | contribs)
- 23:22, 28 July 2007 Taxonomy of anti-spam techniques (hist) [1,395 bytes] Johnl (Talk | contribs)
- 21:09, 27 July 2007 BCP for DNSBLs (hist) [303 bytes] Johnl (Talk | contribs)
