This is a small preliminary list of milters. Missing is real attempt to describe or categorize the listed milters.
Send any desired updates to jmaimon at jmaimon dot com
93 milter projects/products
Last updated at 03/17/08
milter.org seems to have changed ownership/direction sometime ago. It now hosts a list of milters with brief descriptions and breakdowns by various factors. This list is manually cross-referenced with that one.
1 MIMEDefang If you can think of it and code it in Perl, you can do it with MIMEDefang. milter.org link
2 amavis-milter part of the amavis package, scans email through amavis
3 amavisd-milter independent "2nd" gen milter.
4 ivs-milter a virus, spam, and content milter
5 clamav-milter part of the clamav package, scans email through clamav
6 dk-milter implements domainkeys. milter.org link
7 milter-dnsrbl analyzes message against rbl's
8 milter-regexp analyzes messages and dispatches actions according to regex expressions
9 milter-size allows an email administrator to reject messages of a specified size range
10 spamass-milter allows email to be scanned, modified, rejected, copied, redirected by spamassassin.
11 dnsbl a sendmail milter with per-user dnsbl filtering, plus more.
12 milter-regex regular expression filtering. milter.org link
13 milter-spamd scanning by SpamAssassin spamd. milter.org link
14 callahead-milter recipient smtp verification, sender smtp verification.
15 milter-greylist implements greylisting milter.org link
16 smf-clamd allows scanning by clamav
17 smf-spamd scanning by SpamAssassin spamd
18 smf-zombie SPAM and virus filtering from zombie hosts
19 smf-spf implements the Sender Policy Framework. milter.org link
20 smf-grey implements Greylisting. milter.org link
21 smf-sav sender/recipient address smtp verification. milter.org link
22 spfmilter implements the Sender Policy Framework
23 blackmilter implements speedy blacklists for sendmail
24 sfcmilter checks for "forgeries" between envelope sender and rfc822 sender.
25 graymilter implements greylisting
26 sample_milter just a sample folks
27 spf-milter implements the Sender Policy Framework
28 spf-milter implements the Sender Policy Framework
29 greypit milter temp fails after N messages per connection
30 ray's filter not maintained, its a header and mime type milter
31 smrazor a milter that implements razor
32 spasm content filter, antivirus, whitelist, blacklists
33 spamilter spf, sender verification, helo verification, whitelist/blacklists, RBL checks, MIME attachment filename suffix filtering. milter.org link
34 badDNS reject connections from "bad dns" hosts
35 tantalus block brute forcing smtp hosts
36 spammit header scanner, blacklist/wordlist
37 Bmilter DNSBL checks, smtp callback checks
38 snoop.milter.pl regex checker bcc's
39 spamcheck URL dnsbl checks and misc checks
40 rbl-milter checks rbls and add header warnings
41 synonym sendmail milter allows for copying (archiving), dropping or rejecting email and includes support for disclaimer text addition.
42 ldapVfrom-milter simple LDAP verification of sender address. milter.org link
43 mailfromd a milter that hosts the Mail Filtering Language, allowing you to write proglets that are hosted and executed by the milter during sendmail milter callbacks. Functionality available includes sender/recipient verification, greylisting, rate limiting, recipient limits and more.
44 sympa-milter a milter that managed dynamic mailing lists. milter.org link
45 sendmail-jilter milter api milter with java. milter.org link
46 dkim-milter domain-keys milter and library. milter.org link
47 scam-backscatter another recipient verification milter, with config file. milter.org link
48 scam-grey greylisting with a windows host targetting twist. milter.org link
49 scam-protect filters email from you domain to prevent phishing.
50 scam-av milter interface to spamassassin and clamav.
51 scam-archiver milter archives email.
52 libspawner not quite a milter, but library to allow you to use your own "MTA" with any milter. milter.org link
53 bogofilter-milter uses individual bogofilter databases or system database. milter.org link
54 milter-dnsbl simple filter consults dnsbl blocklists. milter.org link
55 senderid-milter/sid-milter milter implements sender-id and spf. milter.org link
56 TclMilter package that implements libmilter allowing you to write milters in TCL. milter.org link
57 batv-milter sender authentication implementation. milter.org link
58 Bogom milter connects bayesian bogofilter. milter.org link
59 mxmilter MX loopback detector. milter.org link
60 dnsbl-milter a sendmail milter for more customizable dsnbl/dnswl lookups. milter.org link
61 j-chkmail virus and spam filtering, various checks. milter.org link
Non Open-Source
1 milter-7bit Content Transfer Encoding Validation. milter.org link
2 milter-ahead recipient call ahead smtp validation. milter.org link
3 milter-bcc adds bcc based on envelope sender/rcpt. milter.org link
4 milter-clamc clamav scanner. milter.org link
5 milter-cli exposes miltering for cli programs/shell scripts. milter.org link
6 milter-date verifies date-time strings. milter.org link
7 milter-error lockout hosts after thresholds of error exceeded. milter.org link
8 milter-gris implemenets greylisting. milter.org link
9 milter-length flexible message size limiting. milter.org link
10 milter-limit rate limiting connections, messages, recipients. milter.org link
11 milter-link URL dnsbl scanning. milter.org link
12 milter-ns adds dns report. milter.org link
13 milter-null filter backscatter DSN from legit ones. milter.org link
14 milter-p0f passive OS fingerprinter. milter.org link
15 milter-report send reports of blocked combinations periodically. milter.org link
16 milter-siq SIQ protocol implementation. milter.org link
17 milter-sender sender address smtp validations. milter.org link
18 milter-spamc spamassasin scanning. milter.org link
19 milter-spamblocker lots of checks scans and sendmail integrations. milter.org link
20 milter-spamassassin spamassassin scanning
21 milter-clamav clamav scanning
22 milter-abook whitelisting senders who were recipients of whitelisted senders. milter.org link
23 smtp-vilter I dont speak german
24 Sophos Puremessage for Unix anti virus
25 Bitdefender
26 dccm milter for distributed checksum project
27 ldap access milter abstracts and streamlines sendmail access queries and turns them into ldap queries
28 traffic control a purported milter that will rate and flow control things. milter.org link
29 NEWT milter that targets web site abused spam sending. milter.org link
30 Canit products offer comprehensive abuse filtering. milter.org link
31 engate products offer comprehensive abuse filtering. milter.org link
32 milter-spiff spf classic implementation. milter.org link
My freeRADIUS stuff
My Qpopper stuff
My ClamAv stuff
My Sendmail Stuff
My Sendmail Milter Stuff
My miscellaneous stuff