947:
86:
1033:
225:
A defining virtue of qpsmtpd is its plugin system and collection of plugins. In addition to basic plugins qpsmtpd has a suite of additional plugins that provide integration with external mail filters and processors as well as implementations of many email technologies. The following list is just a
1078:
247:
databases to report geographic information about incoming connections, including distance in km. Assign negative karma from senders that are "too far" away.
1097:
1112:
952:
1071:
1102:
1117:
1064:
161:
65:
39:
977:
164:
630:
316:
1107:
863:
960:
123:
810:
972:
657:
552:
458:
191:
and virtually any software that "speaks SMTP". It has a flexible plugin system, making it easy to
127:
118:
738:
479:
180:
258:
uses TCP fingerprint info to identify the senders
Operating System, network distance, and more.
684:
915:
888:
837:
784:
711:
526:
501:
206:
plugin blocks many viruses and mass mailers based on their characteristic violation of basic
1040:
765:
603:
578:
134:
106:
390:
266:
sender history. Treat senders differently based on message heuristics and sending history.
85:
1048:
1091:
308:
plugins for user authentication include vpopmail, checkpassword, flat_file, and ldap
199:
377:
192:
202:
filtering than is possible with other SMTP daemons. As one example of dozens, the
214:
139:
982:
942:
347:
25:
432:
198:
Its main purpose is to allow mail administrators to perform more advanced
1044:
1015:
213:
The program's main author is Ask Bjørn Hansen. It is licensed under the
188:
1010:
463:
414:
402:
1032:
994:
149:
74:
372:
implements the draft DMARC specification for email authentication
367:
271:
244:
176:
1004:
357:
207:
184:
168:
111:
99:
284:
Assure the client doesn't talk before we send the SMTP banner
255:
171:. It was originally designed to be a drop-in replacement for
999:
362:
validate DKIM signatures and DKIM sign outgoing messages
1052:
393:
is a bayesian anti-spam filter optimized for speed.
145:
133:
117:
105:
95:
64:
38:
24:
352:validate domainkeys signatures on incoming mail
401:A collection of plugins for AVE, Bitdefender,
1072:
8:
210:, even before they start sending mail data.
19:
1079:
1065:
342:scan message content for blacklisted URLs
84:
18:
983:Using qpsmtpd for traps.spamassassin.org
326:temporary deferrals for unknown senders
228:
424:
179:, and it is now also compatible with
7:
1029:
1027:
953:Free and open-source software portal
195:with other pieces in a mail system.
45:0.96 / February 17, 2016
14:
226:few of the many qpsmtpd plugins.
1098:Free software programmed in Perl
1031:
945:
300:message presented by the sender
150:https://smtpd.github.io/qpsmtpd/
1113:Software using the MIT license
1:
978:TechTarget article on qpsmtpd
1051:. You can help Knowledge by
405:, hbevd, Sophie, and uvscan
382:the venerable spam detector
604:"QP Authentication plugins"
1134:
1026:
334:message header validation
60:
34:
811:"QP spamassassin plugin"
175:, the SMTP component of
1103:Message transfer agents
889:"QP anti-virus plugins"
658:"QP greylisting plugin"
317:Sender Policy Framework
1118:Network software stubs
739:"QP Domainkeys plugin"
47:; 8 years ago
961:Anti-Spam SMTP Proxy
553:"Earlytalker plugin"
413:validate sender has
685:"QP headers plugin"
128:Mail transfer agent
21:
995:- Qpsmtpd Web site
916:"QP FCrDNS plugin"
1060:
1059:
838:"QP dspam plugin"
785:"QP dmarc plugin"
712:"QP URIBL plugin"
710:Devin, Carraway.
551:Carraway, Devin.
421:
420:
155:
154:
1125:
1081:
1074:
1067:
1035:
1028:
1020:
955:
950:
949:
948:
932:
931:
929:
927:
914:Simerson, Matt.
911:
905:
904:
902:
900:
885:
879:
878:
876:
874:
864:"Dspam web site"
860:
854:
853:
851:
849:
836:Simerson, Matt.
833:
827:
826:
824:
822:
807:
801:
800:
798:
796:
783:Simerson, Matt.
780:
774:
773:
766:"QP DKIM plugin"
764:Simerson, Matt.
761:
755:
754:
752:
750:
734:
728:
727:
725:
723:
707:
701:
700:
698:
696:
683:Simerson, Matt.
680:
674:
673:
671:
669:
653:
647:
646:
644:
642:
629:Sergeant, Matt.
626:
620:
619:
617:
615:
600:
594:
593:
591:
589:
577:simerson, matt.
574:
568:
567:
565:
563:
548:
542:
541:
539:
537:
523:
517:
516:
514:
512:
498:
492:
491:
489:
487:
475:
469:
468:
457:Simerson, Matt.
454:
448:
447:
445:
443:
429:
299:
295:
229:
107:Operating system
88:
83:
80:
78:
76:
55:
53:
48:
30:Ask Bjørn Hansen
22:
1133:
1132:
1128:
1127:
1126:
1124:
1123:
1122:
1088:
1087:
1086:
1085:
1024:
1009:
991:
969:
967:Further reading
951:
946:
944:
941:
936:
935:
925:
923:
913:
912:
908:
898:
896:
887:
886:
882:
872:
870:
862:
861:
857:
847:
845:
835:
834:
830:
820:
818:
809:
808:
804:
794:
792:
782:
781:
777:
763:
762:
758:
748:
746:
737:Peacock, John.
736:
735:
731:
721:
719:
709:
708:
704:
694:
692:
682:
681:
677:
667:
665:
655:
654:
650:
640:
638:
631:"QP SPF plugin"
628:
627:
623:
613:
611:
602:
601:
597:
587:
585:
576:
575:
571:
561:
559:
550:
549:
545:
535:
533:
525:
524:
520:
510:
508:
500:
499:
495:
485:
483:
478:Spier, Robert.
477:
476:
472:
456:
455:
451:
441:
439:
431:
430:
426:
297:
293:
276:DNS blacklists
223:
221:Qpsmtpd Plugins
91:
73:
56:
51:
49:
46:
16:
12:
11:
5:
1131:
1129:
1121:
1120:
1115:
1110:
1105:
1100:
1090:
1089:
1084:
1083:
1076:
1069:
1061:
1058:
1057:
1036:
1022:
1021:
1007:
1002:
997:
990:
989:External links
987:
986:
985:
980:
975:
968:
965:
964:
963:
957:
956:
940:
937:
934:
933:
906:
880:
855:
828:
802:
775:
756:
729:
702:
675:
648:
621:
595:
569:
543:
527:"DNSBL plugin"
518:
502:"Karma plugin"
493:
470:
459:"GeoIP plugin"
449:
423:
422:
419:
418:
411:
407:
406:
399:
395:
394:
388:
384:
383:
380:
374:
373:
370:
364:
363:
360:
354:
353:
350:
344:
343:
340:
336:
335:
332:
328:
327:
324:
320:
319:
314:
310:
309:
306:
302:
301:
290:
286:
285:
282:
278:
277:
274:
268:
267:
264:
260:
259:
253:
249:
248:
241:
237:
236:
233:
222:
219:
153:
152:
147:
143:
142:
137:
131:
130:
121:
115:
114:
109:
103:
102:
97:
93:
92:
90:
89:
70:
68:
62:
61:
58:
57:
44:
42:
40:Stable release
36:
35:
32:
31:
28:
13:
10:
9:
6:
4:
3:
2:
1130:
1119:
1116:
1114:
1111:
1109:
1108:Perl software
1106:
1104:
1101:
1099:
1096:
1095:
1093:
1082:
1077:
1075:
1070:
1068:
1063:
1062:
1056:
1054:
1050:
1047:article is a
1046:
1042:
1037:
1034:
1030:
1025:
1018:
1017:
1012:
1008:
1006:
1003:
1001:
998:
996:
993:
992:
988:
984:
981:
979:
976:
974:
973:Using qpsmtpd
971:
970:
966:
962:
959:
958:
954:
943:
938:
921:
917:
910:
907:
894:
890:
884:
881:
869:
865:
859:
856:
843:
839:
832:
829:
816:
812:
806:
803:
790:
786:
779:
776:
771:
767:
760:
757:
744:
740:
733:
730:
717:
713:
706:
703:
690:
686:
679:
676:
663:
659:
656:Carr, Gavin.
652:
649:
636:
632:
625:
622:
609:
605:
599:
596:
584:
580:
579:"HELO plugin"
573:
570:
558:
554:
547:
544:
532:
528:
522:
519:
507:
503:
497:
494:
481:
474:
471:
466:
465:
460:
453:
450:
438:
434:
428:
425:
416:
412:
409:
408:
404:
400:
397:
396:
392:
389:
386:
385:
381:
379:
376:
375:
371:
369:
366:
365:
361:
359:
356:
355:
351:
349:
346:
345:
341:
338:
337:
333:
330:
329:
325:
322:
321:
318:
315:
312:
311:
307:
304:
303:
292:validate the
291:
288:
287:
283:
280:
279:
275:
273:
270:
269:
265:
262:
261:
257:
254:
251:
250:
246:
242:
239:
238:
234:
231:
230:
227:
220:
218:
216:
211:
209:
205:
201:
196:
194:
190:
186:
182:
178:
174:
170:
166:
163:
159:
151:
148:
144:
141:
138:
136:
132:
129:
125:
122:
120:
116:
113:
110:
108:
104:
101:
98:
94:
87:
82:
72:
71:
69:
67:
63:
59:
43:
41:
37:
33:
29:
27:
23:
17:
1053:expanding it
1038:
1023:
1014:
1000:qpsmtpd wiki
924:. Retrieved
919:
909:
897:. Retrieved
892:
883:
871:. Retrieved
867:
858:
846:. Retrieved
841:
831:
819:. Retrieved
814:
805:
793:. Retrieved
788:
778:
769:
759:
747:. Retrieved
742:
732:
720:. Retrieved
715:
705:
693:. Retrieved
688:
678:
666:. Retrieved
661:
651:
639:. Retrieved
634:
624:
612:. Retrieved
607:
598:
586:. Retrieved
582:
572:
560:. Retrieved
556:
546:
534:. Retrieved
530:
521:
509:. Retrieved
505:
496:
484:. Retrieved
480:"p0f plugin"
473:
462:
452:
440:. Retrieved
436:
427:
378:SpamAssassin
235:Description
224:
212:
203:
197:
193:interoperate
172:
157:
156:
26:Developer(s)
15:
868:sourceforge
442:1 September
417:configured
323:greylisting
281:earlytalker
215:MIT License
204:earlytalker
173:qmail-smtpd
167:written in
140:MIT license
124:open-source
1092:Categories
1005:Ohloh page
772:. qpsmtpd.
433:"Releases"
348:Domainkeys
96:Written in
66:Repository
52:2016-02-17
1043:-related
1011:"qpsmtpd"
922:. qpsmtpd
895:. qpsmtpd
844:. qpsmtpd
817:. qpsmtpd
791:. qpsmtpd
745:. qpsmtpd
718:. qpsmtpd
691:. qpsmtpd
664:. qpsmtpd
637:. qpsmtpd
610:. qpsmtpd
398:AntiVirus
1045:software
1016:Freecode
939:See also
926:25 April
899:25 April
873:25 April
848:25 April
821:25 April
795:25 April
749:25 April
722:25 April
695:25 April
668:25 April
641:25 April
614:25 April
588:25 April
562:25 April
536:25 April
511:25 April
486:25 April
482:. github
208:protocol
189:sendmail
81:/qpsmtpd
1041:network
331:headers
181:Postfix
158:qpsmtpd
146:Website
135:License
50: (
20:qpsmtpd
920:GitHub
893:GitHub
842:GitHub
815:GitHub
789:GitHub
770:GitHub
743:GitHub
716:GitHub
689:GitHub
662:GitHub
635:GitHub
608:GitHub
583:GitHub
557:GitHub
531:GitHub
506:GitHub
464:GitHub
437:Github
415:FCrDNS
410:FCrDNS
403:ClamAV
305:auth:*
165:daemon
160:is an
79:/smtpd
75:github
1039:This
391:DSPAM
387:dspam
368:DMARC
339:URIBL
272:dnsbl
263:karma
245:GeoIP
240:GeoIP
177:qmail
1049:stub
928:2013
901:2013
875:2013
850:2013
823:2013
797:2013
751:2013
724:2013
697:2013
670:2013
643:2013
616:2013
590:2013
564:2013
538:2013
513:2013
488:2013
444:2019
358:DKIM
298:EHLO
294:HELO
289:helo
243:Use
232:Name
200:spam
185:Exim
169:Perl
162:SMTP
119:Type
112:Unix
100:Perl
77:.com
313:SPF
296:or
256:p0f
252:p0f
1094::
1013:.
918:.
891:.
866:.
840:.
813:.
787:.
768:.
741:.
714:.
687:.
660:.
633:.
606:.
581:.
555:.
529:.
504:.
461:.
435:.
217:.
187:,
183:,
126:,
1080:e
1073:t
1066:v
1055:.
1019:.
930:.
903:.
877:.
852:.
825:.
799:.
753:.
726:.
699:.
672:.
645:.
618:.
592:.
566:.
540:.
515:.
490:.
467:.
446:.
54:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
