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  77
  78 <h1>Postfix Add-on Software</h1>
  79
  80 <p> To have information listed on this page, please send mail to
  81 wietse@porcupine.org.  The information listed here is maintained
  82 by the respective authors.  It is listed without formal evaluation,
  83 in other words, no implied warranty of any kind. </p>
  84
  85 <blockquote>
  86
  87 <font size="-1">
  88
  89 <a href="#auth">authentication</a> |
  90
  91 <a href="#web">webmail</a> |
  92
  93 <a href="#security-gateway">PGP/SMIME gateways</a> |
  94
  95 <a href="#policy">policy servers/libraries</a> |
  96
  97 <a href="#poke">open proxy/relay detection</a> |
  98
  99 <a href="#before">before smtp auth</a> |
 100
 101 <a href="#certified">certified email</a> |
 102
 103 <a href="#config">run/configuration/queue/user mgt</a> |
 104
 105 <a href="#content">virus/spam content filters</a> |
 106
 107 <a href="#cover">disclaimers</a> |
 108
 109 <a href="#fax">fax<->mail</a> |
 110
 111 <a href="#lists">list managers</a> |
 112
 113 <a href="#logfile">logfile analysis</a> |
 114
 115 <a href="#lookup">lookup tables</a> |
 116
 117 <a href="#pop">pop/imap</a> |
 118
 119 <a href="#pkgmaint">package mgt</a> |
 120
 121 <a href="#autoreply">autoreply</a> |
 122
 123 <a href="#quota">quota</a> |
 124
 125 <a href="#clients">miniature clients</a> |
 126
 127 <a href="#other">other</a>
 128
 129 </font>
 130
 131 </blockquote>
 132
 133 <p> This page lists tools, add-ons and howtos by subject. Just to be
 134 clear on what I am talking about, here is a brief definition of
 135 the terminology that is used below: </p>
 136
 137 <ul>
 138
 139 <li>Utility, system - requires no change to Postfix source code.
 140
 141 <li>Patch - requires making changes to Postfix source code.
 142
 143 <li>Howto - examples of using add-on software with Postfix.
 144
 145 </ul>
 146
 147 <h3><a name="web">Authentication</a></h3>
 148
 149 <ul>
 150
 151 <li> <a href="http://jason.long.name/dkfilter/">dkfilter</a> mail
 152 signing filter by Jason Long (code and instructions). </a>
 153
 154 <li> <a href="http://sourceforge.net/projects/dkim-milter/">dkim-milter</a>
 155 domainkeys identified mail signer/verifier. This uses the Postfix
 156 2.3 plug-interface for Sendmail mail filters. See also the Postfix
 157 <a href="http://www.postfix.org/MILTER_README.html">MILTER_README</a>
 158 documentation.
 159
 160 <li> <a href="http://sourceforge.net/projects/dk-milter/">dk-milter</a>
 161 domainkeys signer/verifier. This uses the Postfix 2.3 plug-interface
 162 for Sendmail mail filters. See also the Postfix <a
 163 href="http://www.postfix.org/MILTER_README.html">MILTER_README</a>
 164 documentation.
 165
 166 <li> <a href="http://sourceforge.net/projects/sid-milter/">sid-milter</a>
 167 Sender-ID verifier. This uses the Postfix 2.3 plug-interface for
 168 Sendmail mail filters. See also the Postfix <a
 169 href="http://www.postfix.org/MILTER_README.html">MILTER_README</a>
 170 documentation.
 171
 172 </ul>
 173
 174 <h3><a name="web">Webmail</a></h3>
 175
 176 <ul>
 177
 178 <li> <a href="http://www.vpostmaster.com">vPostmaster</a> mail
 179 server with policy filters, POP3, IMAP, webmail, greylisting.
 180 Free for non-commercial use.
 181
 182 <li> <a href="http://www.roundcube.net">Roundcube</a> browser-based
 183 mail client with a desktop-like user interface.
 184
 185 <li> <a href="http://www.zimbra.com/">Zimbra</a> Collaboration Suite</a>
 186 with email, contact management and group calendaring.
 187
 188 <li> <a href="http://phpgroupware.org">phpGroupWare</a> multi-user groupware
 189 suite written in PHP.
 190
 191 <li><a href="http://www.squirrelmail.org/">Squirrelmail</a> PHP4 based system.
 192
 193 <li><a href="http://openwebmail.org/">OpenWebmail</a> system.
 194
 195 <li><a href="http://atmail.com/webmail_client.php">Atmail Webmail</a>
 196 POP3/IMAP Webmail client which includes an Ajax interface and
 197 multiple Webmail templates.
 198
 199 <li><a href="http://horde.org/imp/">IMP</a> system.
 200
 201 <li><a href="http://neomail.sourceforge.net/">NeoMail</a> system.
 202
 203 <li><a href="http://camas.caudium.net/">CAMAS</a> system, an IMHO variant.
 204
 205 <li><a href="http://www.lysator.liu.se/~stewa/IMHO/">IMHO</a> system.
 206
 207 </ul>
 208
 209 <ul>
 210
 211 <li> <a href="http://www.contactoffice.com">Virtual office ContactOffice</a>.
 212
 213 <li> <a href="http://www.novell.com/products/openenterpriseserver/">Novell Open Enterprise Server</a> (formerly: SUSE Openexchange Server).
 214
 215 <li> <a href="http://mail-server.trustix.com/home/">Trustix Mail Server</a>.
 216
 217 </ul>
 218
 219 <h3><a name="security-gateway">PGP/SMIME Gateways</a></h3>
 220
 221 <ul>
 222
 223 <li> <a href="http://www.djigzo.com">DjigZo</a> Open source email
 224 encryption gateway.
 225
 226 <li> <a href="http://freshmeat.net/projects/z1securemailgateway/">
 227 Z1 SecureMail Gateway</a> Security server for email using S/MIME
 228 and PGP.
 229
 230 </ul>
 231
 232 <h3><a name="policy">Policy servers/libraries</a></h3>
 233
 234 <ul>
 235
 236 <li><a href="http://pfxpold.wiki.sourceforge.net/"> pfxpold</a>
 237 policy daemon with plug-in policy support by Martin Schmitt.
 238
 239 <li><a href="http://postgrey.schweikert.ch/">Postgrey</a>
 240 greylist policy server in Perl by David Schweikert.
 241
 242 <li><a href="http://sqlgrey.sourceforge.net/">Sqlgrey</a>
 243 an sql-based fork of the postgrey daemon.
 244
 245 <li><a href="http://code.google.com/p/gross/">Gross</a>
 246 greylist server by Eino Tuominen and Antti Siira.
 247
 248 <li><a href="http://policyd.sourceforge.net">policyd</a> policy
 249 server in C which provides greylisting, sender (envelope, SASL
 250 or host/ip) based throttling (messages and/or volume per hour)
 251 and spamtraps by Cami Sardinha.
 252
 253 <li><a href="http://postfwd.org/">postfwd</a> policy server, written
 254 in Perl, combines complex Postfix restrictions in a ruleset similar
 255 to those of the most firewalls.
 256
 257 <li><a href="http://home.gna.org/apolicy/">apolicy</a> or "ACL
 258 Policy Daemon" in Python by Miguel Filho.
 259
 260 <li><a href="http://kmlinux.fjfi.cvut.cz/~vokac/activities/ppolicy/">
 261 ppolicy</a> policy server in Python, by Petr Vokac.
 262
 263 <li><a href="http://www.corpit.ru/mjt/smtpd-policy-template.pl">
 264 smtpd-policy-template</a> skeleton policy server in Perl
 265 by Michael Tokarev.
 266
 267 <li><a href="http://www.gasmi.net/gld.html">gld</a> greylist
 268 server with MySQL database by Salim Gasmi.
 269
 270 <li><a href="http://sqlgrey.sourceforge.net">SQLgrey</a>:  greylist
 271 policy server with auto-whitelisting in Perl with support for
 272 PostgreSQL, MySQL and SQLite storage by Lionel Bouton.
 273
 274 <li><a href="http://mimo.gn.apc.org/gps/">gps</a> greylist policy
 275 server in C++ using MySql, Postgres, or SQLite by Michael Moritz.
 276
 277 <li><a href="http://www.kim-minh.com/pub/greyfix/"> Greyfix </a>
 278 greylist policy server in C with Berkeley DB database by Kim Minh
 279 Kaplan.
 280
 281 <li><a href="http://www.policyd-weight.org/">policyd-weight</a>
 282 weighted policy daemon by Robert Felber, to score DNSBLs, HELOs,
 283 FROMs, and Client IP Addresses, and reject mail before any queuing
 284 is done.
 285
 286 <li><a href="http://www.tummy.com/Community/software/tumgreyspf/">
 287 tumgreyspf</a> Greylisting and SPF policy server by Sean Reifschneider.
 288 This uses the file system (instead of a database file) for storing
 289 greylist data and configuration information.
 290
 291 <li><a href="http://www.libspf.org/">libspf</a> library and patch.
 292
 293 <li><a href="http://www.linuxrulz.org/nkukard/postfix/">libspf2</a>
 294 patch by Nigel Kukard.
 295
 296 <li><a href="http://www.ipnet6.org/postfix/spf/">libspf2</a> patch by
 297 Dean Strik.
 298
 299 </ul>
 300
 301 <p> Note: Postfix already ships with SPF support, in the form of
 302 a plug-in policy daemon. This is the preferred integration model,
 303 at least until SPF is mandated by standards. </p>
 304
 305 <h3><a name="poke">Open relay/proxy detection</a></h3>
 306
 307 <ul>
 308
 309 <li><a href="http://www.yoobay.net/grinch/">grinch</a> utility by
 310 Daniel Mack.  On request by Postfix, it finds out if a host is an
 311 open mail relay and caches the result.
 312
 313 <li><a href="http://www.corpit.ru/mjt/proxycheck.html">proxycheck
 314 </a> open proxy detection utility by Michael Tokarev. Some additional
 315 scripting is required to integrate with Postfix.
 316
 317 </ul>
 318
 319 <h3><a name="before">Before SMTP authentication</a></h3>
 320
 321 <ul>
 322
 323 <li><a href="http://popbsmtp.sf.net/">
 324 pop-before-smtp</a> utility by Bennett Todd.
 325
 326 <li><a href="ftp://victor.teaser.fr/pub/lwa/postfix/">whoson</a>
 327 patch by Laurent Wacrenier.
 328
 329 <li><a href="http://www.arschkrebs.de/postfix/postfix_pop-before-smtp_en.shtml">
 330 pop-before-smtp</a> howto by Ralf Hildebrandt.
 331
 332 <li><a href="http://www.arschkrebs.de/postfix/postfix_drac.shtml">
 333 DRAC</a> howto by Ralf Hildebrandt.
 334
 335 <!--
 336 <li><a href="http://www.number8.net/software.html">POP-before-SMTP</a>
 337 using a one-file-per-key lookup mechanism by Tim Tsai, number8.net.
 338 -->
 339
 340 </ul>
 341
 342 <h3><a name="certified">Certified email</a></h3>
 343
 344 <ul>
 345
 346 <li> <a href="http://www.openpec.org/">OpenPec</a> Certified email
 347 system by <a href="http://www.exentrica.it">EXEntrica S.r.l.</a>.
 348
 349 </ul>
 350
 351 <h3><a name="config">Run/Configuration/Queue/User management</a></h3>
 352
 353 <ul>
 354
 355 <li> <a href="http://www.korreio.sf.net">Korreio</a> is a graphical
 356 toolkit to electronic mail systems management.  It has several
 357 independent modules: Postfix Queue Manager, LDAP management,
 358 Cyrus-IMAP Mailbox management and Cyrus-Sieve management.
 359
 360 <li> <a href="http://www.kyapanel.com">KyaPanel</a> server manager
 361 from Anahuac.
 362
 363 <li> <a href="http://www.captain-mail.com">Captain Mail</a> from
 364 Yukthi Systems Pvt. Ltd.
 365
 366 <li> <a href="http://www.phamm.org">Phamm</a> Web Based Management
 367 tool for Virtual Domains and Virtual Users that are stored in LDAP.
 368
 369 <li> <a href="http://www.postconf.com/">POSTCONF Mail Server</a>.
 370
 371 <li> Running Postfix with <a
 372 href="http://www.petertribble.co.uk/Solaris/smf.html"> Solaris 10
 373 SMF</a> by Geoff Gibbs.
 374
 375 <li> <a href="http://www.ravencore.com/">RavenCore Hosting Control
 376 panel</a> web-based control panel uses dovecot for POP3/IMAP, and
 377 configures multi-user / multi-domain email addresses with SMTP
 378 authentication via SASL. Also has the option for spamassassin and
 379 clamav for mail scanning.
 380
 381 <li> <a href="http://www.vmailadmin.org">vMail.Admin</a> web-based
 382 management tool designed for Postfix and Courier-IMAP email servers,
 383 for administrators and end users. Specific examples are given for
 384 MySQL and SpamAssassin.
 385
 386 <li> <a href="http://pfqueue.sourceforge.net/">pfqueue</a>
 387 Postfix queue management utility. </a>
 388
 389 <li> <a
 390 href="http://www.roadstead.com/weblog/Tutorials/PostfixEnabler.html">
 391 Postfix enabler</a> utility for Mac OS X. Sets up SMTP, POP3, IMAP,
 392 SSL support, SASL (client or server).
 393
 394 <li> <a href="http://www.web-cyradm.org/"> Web-cyradm.org</a> Web
 395 Based Management tool for Postfix, Cyrus IMAP, and MySQL or PostgreSQL
 396 by Luc de Louw.
 397
 398 <li> <a href="http://high5.net/postfixadmin/">
 399 Postfix Admin</a> a Web Based Management tool for
 400 Virtual Domains and Virtual Users that are stored in MySQL.
 401
 402 <li><a href="http://www.webmin.com/webmin/">webmin</a> system has
 403 a Postfix configuration module.
 404
 405 <li>webmin system <a href="http://www.swelltech.com/support/webminguide/">
 406 documentation</a>.
 407
 408 <li><a href="http://www.loomsday.co.nz/development?id=tequila">tequila</a>
 409 system for Postfix configuration management, including mail forwarding
 410 and autoreply.
 411
 412 <li><a href="http://www.postfixvirtual.net/">postfixmanager</a>
 413 user management tool for Postfix by Genco YILMAZ.
 414
 415 <li><a href="http://archives.neohapsis.com/archives/postfix/2002-05/0027.html">
 416 BASH script</a> for automatic completion of postconf commands
 417 by Carsten Hoeger.
 418
 419 </ul>
 420
 421 <h3><a name="content">Virus/SPAM content filters</a></h3>
 422
 423 <ul>
 424
 425 <li><a href="http://www.ijs.si/software/amavisd/">amavisd-new</a> utility,
 426 a high-performance interface between MTA and virus/SPAM scanners.
 427
 428 <li><a href="http://solutions.drweb.com/maild/">Dr.Web</a> anti-virus
 429 & anti-spam for Telecoms and businesses with heavy mail traffic;
 430 available as solution and SDK.
 431
 432 <li><a href="http://messagepartners.com/solutions/mpp_postfix.html">
 433 MPP for Postfix</a> antivirus, antispam, archival, access control,
 434 content filtering, thresholds, auto-black lists, spam traps, and
 435 more.
 436
 437 <li><a href="http://spamassassin.apache.org/"> SpamAssassin</a>
 438 mail labeling system.
 439
 440 <li><a href="http://www.terena.org/~visser/awl.php">Automagically
 441 whitelist recipients from postfix in Spamassassin</a> utility by
 442 Dick Visser.
 443
 444 <li><a href="http://www.xamime.com/">Xamime</a> email content
 445 management system.
 446
 447 <li><a href="http://www.fatofthelan.com/articles/articles.php?pid=22">
 448 Postfix+Amavis+ClamAV+Spamassassin</a> howto by Tobias Rice.
 449
 450 <li><a href="http://memberwebs.com/nielsen/software/clamsmtp/">
 451 ClamSMTP</a> content filter based on the ClamAV anti-virus software.
 452
 453 <li><a href="http://www.pc-tools.net/unix/renattach/"> renattach</a>
 454 rename or delete attachments by file name or file type, by Jem
 455 Berkes. Beware: prior to version 1.2.2 the "-p" or "--pipe"
 456 command-line option is not safe and may result in munged addresses.
 457
 458 <li><a href="http://www.wdg.us/index.cfm/rd/mta/spampd.htm">
 459 spampd</a> spam filtering, transparent SMTP/LMTP proxy using
 460 SpamAssassin, in Perl by Maxim Paperno.
 461
 462 <li><a href="http://www.flakshack.com/anti-spam/"> Anti-spam gateway</a>
 463 howto using OpenBSD, Postfix, amavisd-new, SpamAssassin, Razor and
 464 DCC.
 465
 466 <li><a href="http://www.goblet.net/spamkill/">per-user</a>
 467 SpamAssassin filtering by Mikko Pikarinen.
 468
 469 <li><a href="http://www.freespamfilter.org/">
 470 amavisd-new/Razor/SpamAssassin</a> setup tutorial by Scott Henderson.
 471
 472 <li><a href="http://www.mailscanner.info/">mailscanner</a> system,
 473 works with Postfix and other MTAs. WARNING: This software uses
 474 unsupported methods to manipulate Postfix queue files directly.
 475 This will result in corruption or loss of mail.  The mailscanner
 476 authors have sofar refused to discuss a proper access API or
 477 protocol.
 478
 479 <li><a href="http://www.corpit.ru/avcheck/"> avcheck</a> utility
 480 by Michael Tokarev. Interfaces to several virus scanning engines.
 481
 482 <li><a href="http://amavis.sourceforge.net/">amavis</a>
 483 system, works with Postfix and other MTAs.
 484
 485 <li><a href="http://www.vanja.com/tools/sophie/"> sophie</a>
 486 system, works with Postfix and other MTAs.
 487
 488 <li><a href="http://home.pages.de/~mandree/postfix/HOWTO-maildrop.html">
 489 maildrop</a> howto by Matthias Andree. The maildrop delivery
 490 agent is part of the <a href="http://www.courier-mta.org/">
 491 Courier</a> mail server software.
 492
 493 <li><a href="http://mailtools.anomy.net/"> anomy</a> email sanitizer
 494 system.
 495
 496 <li><a href="http://advosys.ca/tips/postfix-filtering.html"> anomy</a>
 497 howto by Derrick Webber.
 498
 499 <li><a href="http://bent.latency.net/smtpprox/"> smtpprox</a>
 500 generic SMTP filtering proxy by Bennett Todd.
 501
 502 <li><a href="http://www.centralcommand.com/mailserver.html">
 503 Vexira Antivirus for Mail server</a> AntiVirus, AntiSpam, and more.
 504 Supports Linux, FreeBSD, OpenBSD, Solaris, AIX.
 505
 506 <li><a
 507 href="http://www.impsec.org/email-tools/procmail-security.html">
 508 procmail</a> howto for sanitizing email by John D. Hardin.
 509
 510 <li><a href="http://crm114.sourceforge.net/"> crm114</a> mail
 511 content inspection system.
 512
 513 <li> crm114 <a
 514 href="http://www.macroscape.com/pdf/Postfix_CRM114.pdf">Postfix
 515 howto</a> by Eugene Borukhovich.
 516
 517 <li><a href="http://tmda.sourceforge.net/">Tagged Message Delivery
 518 Agent (TMDA)</a> by Jason R. Mastaler, a system that requires
 519 unknown senders to send confirmation before they are put on a
 520 whitelist.
 521
 522 <li><a href="http://www.lightspeed.cx/postfix"> html-trap</a>
 523 utility by Samuel Seay for procmail-based content filtering.
 524
 525 <p>
 526
 527 <li><a href="http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt">
 528 Postfix Anti-UCE Cheat-Sheet</a> by Jim Seymour.
 529
 530 <li><a href="http://www.arschkrebs.de/postfix/">
 531 UCE and other</a> howtos by Ralf Hildebrandt.
 532
 533 <li><a href="http://www.kfki.hu/~kadlec/sw/postfix_patch.html">Per-user
 534 UCE controls</a> patch by Jozsef Kadlecsik.
 535
 536 <li><a href="http://www.spin.it/furio/rblplus-postfix.html">RBL+</a>
 537 howto by  Furio Ercolessi; uses Jozsef Kadlecsik's patch.
 538
 539 <li><a href="http://taz.net.au/postfix/scripts/">RBL</a> analysis
 540 tools by Craig Sanders.
 541
 542 <li><a href="http://www.brandeis.edu/~rcgraves/concierge">
 543 concierge</a> utility by Rich Graves. Analyses Postfix logs and
 544 sends mail to users whose mail was rejected by Postfix content
 545 filtering.
 546
 547 </ul>
 548
 549 <h3><a name="cover">Disclaimers</a></h3>
 550
 551 <ul>
 552
 553 <li><a href="http://pldaniels.com/altermimepro">altermimepro</a>
 554 disclaimer management system by Paul L Daniels.
 555
 556 </ul>
 557
 558 <h3><a name="fax">Fax<->Email software</a></h3>
 559
 560 <ul>
 561
 562 <li> <a href="http://www.faximum.com/">Faxmimum</a>Fax Messaging
 563 Server (FMS) integrates with Postfix and other MTAs and provides
 564 email-to-fax and fax-to-email gateways.
 565
 566 </ul>
 567
 568 <h3><a name="lists">List managers</a></h3>
 569
 570 <ul>
 571
 572 <li><a href="http://www.ecartis.org/">Ecartis</a> mailing list manager
 573 system (formerly: Listar).
 574
 575 <li><a
 576 href="http://archives.neohapsis.com/archives/postfix/2001-09/1527.html">
 577 Listar</a> howto by Craig Sanders.
 578
 579 <li><a href="http://www.gurulabs.com/downloads.html">
 580 Mailman</a> howto by Dax Kelson.
 581
 582 <li><a
 583 href=http://postfixwiki.org/index.php?title=Virtual_Domain_with_Mailman_Lists">Mailman</a>
 584 howto, including blocking mail for non-existent addresses, by Pasztor Gyorgy.
 585
 586 <li><a href="http://www.gnu.org/software/mailman/mailman.html">Mailman</a>,
 587 the GNU Mailing List Management System.
 588
 589 <li><a href="http://www.csh.rit.edu/~jon/projects/majordomo/#postfix">
 590 majordomo</a> howto by Jon Parise.
 591
 592 <li><a href="http://www.procmail.org/"> SmartList</a> Mailing List
 593 Management System <a
 594 href="http://archives.neohapsis.com/archives/postfix/2001-07/0782.html">
 595 howto</a>.
 596
 597 </ul>
 598
 599 <h3><a name="logfile">Logfile analysis</a></h3>
 600
 601 <ul>
 602
 603 <li><a href="http://jimsun.LinxNet.com/postfix_contrib.html">
 604 pflogsumm</a> logfile analyzer utility by Jim Seymour.
 605
 606 <li><a href="http://www.vanheusden.com/multitail/">multitail</a>
 607 logfile analyzer utility, with color scheme, by Folkert van Heusden.
 608
 609 <li><a href="http://www.postconf.com/docs/spamrep/">Spamrep<a>
 610 detailed server, user, and domain reports on filter activity.
 611
 612 <li><a href="http://awstats.sourceforge.net/">AWStats</a>
 613 logfile analyzer system.
 614
 615 <li><a href="http://anteater.sourceforge.net/">Anteater
 616 </a> logfile analysis system by Tobias Erbsland.
 617
 618 <li><a href="http://mailgraph.schweikert.ch/">
 619 mailgraph</a>, an RRDtool frontend utility by David Schweikert.
 620
 621 <li><a href="http://taz.net.au/postfix/mrtg/">mailstats</a>
 622 logfile analyzer utility by Craig Sanders.
 623
 624 <li><a href="http://www.LogReport.org">LogReport</a> logfile analyzer
 625 system. On-line log report processing is available at <a
 626 href="mailto:log@postfix.logreport.org">log@postfix.logreport.org</a>.
 627
 628 <li><a href="http://sourceforge.net/projects/logrep">Logrep</a>
 629 logfile analyzer system.
 630
 631 <li><a href="http://www.enderunix.org/isoqlog/">Isoqlog</a>
 632 logfile analyzer system (also supports qmail and Sendmail).
 633 </ul>
 634
 635 <h3><a name="lookup">Lookup tables</a></h3>
 636
 637 <ul>
 638
 639 <li><a href="http://d.scn.ru/proj/postfix/">pam</a> lookup table
 640 by Andrew I Baznikin; for example, use this to implement
 641 local_recipient_maps with RADIUS.
 642
 643 <li><a href="http://www.xyzzy.no/software/cidr2abc/">cidr2abc</a>
 644 utility by Gjermund Sorseth to convert arbitary net/mask patterns
 645 into octet based patterns such as used in Postfix access maps.
 646
 647 <li><a href="ftp://ftp.hgmp.mrc.ac.uk/pub/ggibbs/nisplus.tar.gz">
 648 NIS+</a> patch by Geoff Gibbs.
 649
 650 <li><a href="ftp://ftp.corpit.ru/pub/postfix/README.CDB">cdb</a> patch
 651 by Michael Tokarev.
 652
 653 <li><a href="ftp://ftp.corpit.ru/pub/tinycdb/">tinycdb</a> Michael
 654 Tokarev's own CDB implementation.
 655
 656 <li><a href="http://kummefryser.dk/HOWTO/">Mysql</a> howto by Daniel
 657 V. Pedersen.  Uses the Postfix virtual(8) delivery agent.
 658
 659 </ul>
 660
 661 <h3><a name="pop">POP/IMAP servers</a></h3>
 662
 663 <p> For howto documents, see <a href="docs.html">Howtos and FAQs</a>. </p>
 664
 665 <ul>
 666
 667 <li><a href="http://www.dovecot.org/">Dovecot</a> system
 668 implements IMAP and POP, and supports TLS.
 669
 670 <li><a href="http://vergenet.net/linux/perdition/"> perdition</a>
 671 system is a smart POP/IMAP <b>proxy</b> that connects users to the
 672 "right" POP/IMAP server.
 673
 674 <li><a href="http://asg.web.cmu.edu/cyrus/">Cyrus IMAP</a> system
 675 implements IMAP, POP3, and KPOP, later versions also support TLS.
 676 This software implements its own private mail database system. Not
 677 for beginners.
 678
 679 <li><a href="http://www.probsd.net/vmail/">vmail admin</a> a set
 680 of PHP and PERL scripts for administering virtual domains on a pop
 681 toaster that uses Postfix, Postfix virtual or Courier IMAP, and MYSQL.
 682
 683 <li><a href="http://www.courier-mta.org/imap/">Courier-Imap</a>
 684 system provides POP3 and IMAP, and supports access over
 685 SSL.  This software supports the maildir-style mailbox format only
 686 (one message per file, same format as qmail).
 687
 688 <li><a href="http://www.eudora.com/qpopper/">Qpopper</a> system
 689 supports POP3, TLS (SSL), and uses the traditional UNIX-style
 690 mailbox format (multiple messages per file, each message starts
 691 with "From sender date...").
 692
 693 </ul>
 694
 695 <h3><a name="pkgmaint">Package management</a></h3>
 696
 697 <ul>
 698
 699 <li><a href="http://www.vkeys.net/postfix/">Solaris</a> utility to
 700 create Postfix installable packages.
 701
 702 </ul>
 703
 704 <h3><a name="autoreply">Autoreply software</a></h3>
 705
 706 <ul>
 707
 708 <li><a href="http://frost.ath.cx/~branko/software/yaa/">yaa!  </a>
 709 (yet another autoresponder) autoreply utility by Branko Grac.  This
 710 can run as a one-time command at the end of a pipe, or as a resident
 711 server.
 712
 713 <li>Autoreply system <a href="http://unwin.org/postfix/">architecture</a>
 714 by Joshua E. Warchol.  You still need to provide the PERL script
 715 that does the actual responding.
 716
 717 <li><a href="http://www.onyxbits.de/gnarwl/">gnarwl</a>
 718 autoreply utility by Patrick Ahlbrecht. This uses LDAP instead of
 719 .forward+vacation.
 720
 721 </ul>
 722
 723 <h3><a name="quota">Quota software</a></h3>
 724
 725 <ul>
 726
 727 <li><a href="http://www.linuxrosario.com.ar/proyectos.html">quota</a>
 728 policy daemon script by Pablo Armando.
 729
 730 <li><a href="http://www.kagekaze.org/postfix/">Per-user mailbox
 731 quota</a> patch by Keith Stevenson. Not part of Postfix because it
 732 does not work with maildir files and because users with .forward
 733 files can bypass quota restrictions.
 734
 735 <li><a href="http://www.cpan.org/modules/by-authors/id/R/RM/RMALAFAIA/postmmon/"> PostmMon</a>
 736 Postfix Mail Box Monitor by Eduardo Mendes and Ricardo Malafaia.
 737 This sends mail notifications when a user has too much mail.
 738
 739 <li><a href="http://web.onda.com.br/nadal/"> Postfix virtual delivery
 740 agent patches</a> with additional features including quota by
 741 Anderson Nadal.
 742
 743 </ul>
 744
 745 <h3><a name="clients">Miniature client software</a></h3>
 746
 747 <ul>
 748
 749 <li><a href="http://www.acme.com/software/mini_sendmail/">
 750 mini_sendmail</a> utility by Jef Poskanzer, a minimal program to
 751 submit mail over SMTP, for example, from a chrooted WWW server.
 752
 753 <li><a href="http://nbsmtp.ferdyx.org/"> nbSMTP</a> (no-brainer
 754 SMTP) utility by Fernando Jose Pereda Garcimartin.
 755
 756 </ul>
 757
 758 <h3><a name="other">Other software</a></h3>
 759
 760 <ul>
 761
 762
 763 <li><a href="http://www.sevenrains.ro/pak/pfix_error.patch">
 764 configurable SMTP server error replies</a> by Corcalciuc V. Horia
 765
 766 <li><a
 767 href="http://www.pobox.com/~sjmudd/postfix/">
 768 Multi-line SMTP banners</a> patch by Simon J Mudd. Grumble.
 769
 770 <li><a href="ftp://ftp.corpit.ru/pub/postfix/README"> Patches</a>
 771 by Michael Tokarev.
 772
 773 <!--
 774 <li><a href="http://www.uninet.ee/~ragnar/postfix/"> Patches</a>
 775 by Ragnar Kurm.
 776 -->
 777
 778 <li><a href="http://asteroid-b612.org/software/"> Patches</a> by
 779 Cygnus: mail spool hashing, mailbox size limit, maildir size limit.
 780
 781 </ul>
 782
 783 </table>
 784
 785 </body>
 786
 787 </html>