653:
332:
544:
223:
689:
503:
368:
182:
764:
report to the wrong people may be fined or banned. This verification requires extra time and effort. Despite these steps, reports to innocent bystanders do happen and ISPs may need to configure SpamCop to not send further reports if they do not want to see them again. Here are some limitations of SpamCop:
167:
As of 10:31:56 UTC on 31 January 2021, the domain and all sub-domains of spamcop.net resolved to a domain parking service due to the domain being expired. Later that day the domain was renewed and the service was again running. The outage resulted in messages being rejected due to the blacklist DNS
763:
For first-time SpamCop
Reporters, the SpamCop Parsing and Reporting Service requires that the reporter manually verify that each submission is spam and that the destinations of the spam reports are correct. People who use tools to automatically report spam, who report email that is not spam, or
163:
SpamCop previously provided paid email accounts through
Corporate Email Services (CES). On August 9, 2014, in an email to email account holders, CES announced that "s of September 30, 2014 (Tuesday) 6pm ET, the current SpamCop Email service will be converted to email forwarding-only with spam
446:, web hosts and email providers identify accounts that are being abused and shut them down before the spammer finishes operations. SpamCop provides information from its reports to third parties who are also working to fight spam, amplifying the impact of its services beyond its own reach.
463:
With SpamCop's capabilities, users can significantly reduce the clutter in their email inboxes. By filtering out spam emails, individuals and businesses can focus on the important messages while ensuring that their productivity is not compromised by sifting through irrelevant
470:
SpamCop helps in enhancing email security by identifying and reporting potential threats. This proactive approach contributes to creating a safer email environment for users, protecting them from phishing attempts, malware, and other malicious activities associated with spam
108:
reporting service, allowing recipients of unsolicited bulk or commercial email to report IP addresses found by SpamCop's analysis to be senders of the spam to the abuse reporting addresses of those IP addresses. SpamCop uses these reports to compile a
147:
SpamCop views itself as an attempt to stop spam without the necessity of governmental intervention, but because it lacks the power of a government or large ISP, it may have greater difficulty dealing with spammers' expertise as well as the large
477:
By reporting spam to the relevant network administrators, SpamCop aids in identifying and shutting down spam sources. This not only protects individual users but also contributes to the overall integrity and efficiency of email
487:
Using SpamCop to report and combat spam contributes to the global effort to reduce and eliminate spam activities. By actively participating in this collective endeavor, users play a crucial role in creating a spam-free online
456:
SpamCop uses advanced algorithms and techniques to efficiently detect and categorize spam emails. This enables users to identify and isolate unwanted email content, ensuring that their inboxes remain clutter-free and
121:
SpamCop was founded by Julian Haight in 1998 as an individual effort. As the reporting service became more popular, staff were added and the SCBL became more useful. It has commonly been the target of
793:
SpamCop may not be compatible with all email providers or may not be as effective with certain providers. Users of less common or niche email services may not benefit fully from SpamCop's capabilities.
799:
SpamCop relies on user reports to identify spam sources and block them. If users do not report spam or if there is a lack of participation in the SpamCop community, its effectiveness may diminish.
777:
Conversely, SpamCop may fail to detect some spam emails, allowing them to reach the user's inbox. This can decrease the effectiveness of SpamCop as a spam filtering tool.
888:
771:
SpamCop may sometimes flag legitimate emails as spam, leading to false positives. This can be frustrating for users who rely solely on SpamCop for spam detection.
137:
announced its acquisition of SpamCop on
November 24, 2003, but it remained independently run by Julian Haight. A small staff and volunteer help in its forum.
787:
can lead to over-reliance on the tool. Users may neglect other spam filtering methods or become complacent in recognizing spam without the aid of SpamCop.
1444:
940:
911:
144:
on
January 4, 2007, effectively making SpamCop a Cisco service. Julian Haight left approximately two years after the Cisco acquisition.
884:
1248:
164:
filtered by SpamCop for all existing SpamCop Email users" and that "SpamCop will no longer provide IMAP or POP service ."
1288:
1263:
1076:
616:
295:
750:
732:
635:
530:
429:
411:
314:
209:
714:
588:
573:
393:
267:
252:
699:
595:
569:
378:
274:
248:
1243:
1125:
966:"Countless emails wrongly blocked as spam after Cisco's SpamCop failed to renew domain name at the weekend"
809:
602:
281:
1283:
1051:
is an RBL based on SpamCop data to block or tag spam based on URIs contained within the message body.
944:
443:
584:
263:
1258:
1155:
1120:
565:
554:
516:
244:
233:
195:
710:
558:
389:
237:
1093:
1069:
664:
343:
965:
1298:
1268:
1235:
839:
829:
784:
8:
1273:
1115:
1033:
870:
858:
1449:
1439:
1253:
1196:
1062:
834:
609:
288:
1054:
1394:
1341:
1023:
1038:
1406:
1376:
1110:
706:
385:
1042:
1416:
1386:
1336:
1278:
1201:
1191:
1135:
824:
61:
992:
1433:
1351:
1316:
1216:
1150:
153:
1399:
1356:
1326:
1176:
970:
522:
201:
1361:
1171:
819:
652:
331:
1331:
1308:
1181:
1140:
1102:
105:
28:
1366:
1346:
1221:
814:
717:. Statements consisting only of original research should be removed.
543:
396:. Statements consisting only of original research should be removed.
222:
1411:
1321:
1206:
1186:
1085:
885:"Reporting problems today? - SpamCop Discussion Forums entry 81639"
134:
69:
113:
called the "SpamCop
Blocking List" or "SpamCop Blacklist" (SCBL).
1211:
1145:
127:
149:
1371:
1130:
141:
110:
75:
1029:
157:
123:
1022:(Note: There are copycat sites at similar URLs with other
1048:
1084:
1019:
168:
entries all directing to the domain parking service.
90:
941:"SpamCop Email Service Changes - SpamCop Discussion"
1431:
152:that they control and that they used to cripple
859:Press release: Ironport System Acquires SpamCop
1070:
871:Cisco Announces Agreement to Acquire IronPort
882:
572:. Unsourced material may be challenged and
531:Learn how and when to remove these messages
251:. Unsourced material may be challenged and
210:Learn how and when to remove these messages
1077:
1063:
990:
810:Anti-spam techniques § Reporting spam
861:24 November 2003, accessed 11 August 2007
751:Learn how and when to remove this message
733:Learn how and when to remove this message
636:Learn how and when to remove this message
430:Learn how and when to remove this message
412:Learn how and when to remove this message
315:Learn how and when to remove this message
1445:Internet Protocol based network software
140:IronPort agreed to become a division of
993:"What is Spamcop and How Does it Work?"
909:
873:4 January 2007, accessed 9 October 2008
130:from organizations listed in the SCBL.
1432:
912:"Spammers Can Run but They Can't Hide"
1058:
935:
933:
682:
647:
570:adding citations to reliable sources
537:
496:
361:
326:
249:adding citations to reliable sources
216:
175:
13:
1264:Distributed Checksum Clearinghouse
991:Harbarczyk, Izabela (2023-06-29).
891:from the original on 17 March 2024
485:to the Global Effort Against Spam:
14:
1461:
1249:Challenge–response spam filtering
1086:Unsolicited digital communication
1013:
930:
910:Hansell, Saul (9 November 2003).
512:This section has multiple issues.
191:This section has multiple issues.
783:Depending solely on SpamCop for
687:
651:
542:
501:
442:SpamCop is effective at helping
366:
330:
221:
180:
520:or discuss these issues on the
199:or discuss these issues on the
984:
958:
903:
876:
864:
852:
492:
111:list of computers sending spam
1:
883:D'Minion, Don (9 July 2012).
845:
475:Protecting Network Integrity:
449:SpamCop's benefits include:
16:Email spam reporting service
7:
803:
797:Dependence on User Reports:
713:the claims made and adding
392:the claims made and adding
171:
40:; 26 years ago
10:
1466:
1284:Naive Bayes spam filtering
116:
1385:
1307:
1234:
1164:
1101:
1092:
454:Efficient Spam Detection:
85:
60:
52:
34:
24:
1259:Disposable email address
1121:Directory harvest attack
791:Limited Email Providers:
1039:SCBL dispute resolution
133:Email security company
461:Reduced Inbox Clutter:
1020:SpamCop Official site
1269:Email authentication
840:The Spamhaus Project
830:Sam Spade (software)
566:improve this section
245:improve this section
1116:Bulk email software
21:
916:The New York Times
698:possibly contains
663:. You can help by
468:Enhanced Security:
377:possibly contains
342:. You can help by
19:
1427:
1426:
1254:Context filtering
1230:
1229:
835:Spam (electronic)
761:
760:
753:
743:
742:
735:
700:original research
681:
680:
646:
645:
638:
620:
535:
440:
439:
432:
422:
421:
414:
379:original research
360:
359:
325:
324:
317:
299:
214:
99:
98:
1457:
1395:Advance-fee scam
1342:Keyword stuffing
1099:
1098:
1079:
1072:
1065:
1056:
1055:
1007:
1006:
1004:
1003:
988:
982:
981:
979:
978:
962:
956:
955:
953:
952:
943:. Archived from
937:
928:
927:
925:
923:
907:
901:
900:
898:
896:
880:
874:
868:
862:
856:
775:False Negatives:
769:False Positives:
756:
749:
738:
731:
727:
724:
718:
715:inline citations
691:
690:
683:
676:
673:
655:
648:
641:
634:
630:
627:
621:
619:
578:
546:
538:
527:
505:
504:
497:
435:
428:
417:
410:
406:
403:
397:
394:inline citations
370:
369:
362:
355:
352:
334:
327:
320:
313:
309:
306:
300:
298:
257:
225:
217:
206:
184:
183:
176:
135:IronPort Systems
95:
92:
70:IronPort Systems
48:
46:
41:
22:
18:
1465:
1464:
1460:
1459:
1458:
1456:
1455:
1454:
1430:
1429:
1428:
1423:
1407:Make Money Fast
1381:
1377:URL redirection
1303:
1226:
1160:
1111:Address munging
1088:
1083:
1016:
1011:
1010:
1001:
999:
989:
985:
976:
974:
964:
963:
959:
950:
948:
939:
938:
931:
921:
919:
908:
904:
894:
892:
881:
877:
869:
865:
857:
853:
848:
806:
757:
746:
745:
744:
739:
728:
722:
719:
704:
692:
688:
677:
671:
668:
661:needs expansion
642:
631:
625:
622:
579:
577:
563:
547:
506:
502:
495:
436:
425:
424:
423:
418:
407:
401:
398:
383:
371:
367:
356:
350:
347:
340:needs expansion
321:
310:
304:
301:
258:
256:
242:
226:
185:
181:
174:
156:with a massive
119:
89:
81:
44:
42:
39:
17:
12:
11:
5:
1463:
1453:
1452:
1447:
1442:
1425:
1424:
1422:
1421:
1420:
1419:
1409:
1404:
1403:
1402:
1391:
1389:
1387:Internet fraud
1383:
1382:
1380:
1379:
1374:
1369:
1364:
1359:
1354:
1349:
1344:
1339:
1337:Google bombing
1334:
1329:
1324:
1319:
1313:
1311:
1305:
1304:
1302:
1301:
1296:
1291:
1286:
1281:
1279:List poisoning
1276:
1271:
1266:
1261:
1256:
1251:
1246:
1240:
1238:
1232:
1231:
1228:
1227:
1225:
1224:
1219:
1214:
1209:
1204:
1199:
1194:
1189:
1184:
1179:
1174:
1168:
1166:
1162:
1161:
1159:
1158:
1153:
1148:
1143:
1138:
1136:Email spoofing
1133:
1128:
1123:
1118:
1113:
1107:
1105:
1096:
1090:
1089:
1082:
1081:
1074:
1067:
1059:
1053:
1052:
1045:
1036:
1030:SpamCop Forums
1027:
1015:
1014:External links
1012:
1009:
1008:
983:
957:
929:
902:
875:
863:
850:
849:
847:
844:
843:
842:
837:
832:
827:
825:List poisoning
822:
817:
812:
805:
802:
801:
800:
794:
788:
785:spam detection
781:Over-Reliance:
778:
772:
759:
758:
741:
740:
723:September 2018
695:
693:
686:
679:
678:
672:September 2018
658:
656:
644:
643:
626:September 2018
550:
548:
541:
536:
510:
509:
507:
500:
494:
491:
490:
489:
479:
472:
465:
458:
438:
437:
420:
419:
402:September 2018
374:
372:
365:
358:
357:
351:September 2018
337:
335:
323:
322:
305:September 2018
229:
227:
220:
215:
189:
188:
186:
179:
173:
170:
118:
115:
97:
96:
87:
83:
82:
80:
79:
73:
66:
64:
58:
57:
54:
50:
49:
36:
32:
31:
26:
15:
9:
6:
4:
3:
2:
1462:
1451:
1448:
1446:
1443:
1441:
1438:
1437:
1435:
1418:
1415:
1414:
1413:
1410:
1408:
1405:
1401:
1398:
1397:
1396:
1393:
1392:
1390:
1388:
1384:
1378:
1375:
1373:
1370:
1368:
1365:
1363:
1360:
1358:
1355:
1353:
1352:Referrer spam
1350:
1348:
1345:
1343:
1340:
1338:
1335:
1333:
1330:
1328:
1325:
1323:
1320:
1318:
1315:
1314:
1312:
1310:
1306:
1300:
1297:
1295:
1292:
1290:
1287:
1285:
1282:
1280:
1277:
1275:
1272:
1270:
1267:
1265:
1262:
1260:
1257:
1255:
1252:
1250:
1247:
1245:
1242:
1241:
1239:
1237:
1233:
1223:
1220:
1218:
1217:Telemarketing
1215:
1213:
1210:
1208:
1205:
1203:
1200:
1198:
1195:
1193:
1190:
1188:
1185:
1183:
1180:
1178:
1175:
1173:
1170:
1169:
1167:
1163:
1157:
1154:
1152:
1151:Pink contract
1149:
1147:
1144:
1142:
1139:
1137:
1134:
1132:
1129:
1127:
1124:
1122:
1119:
1117:
1114:
1112:
1109:
1108:
1106:
1104:
1100:
1097:
1095:
1091:
1087:
1080:
1075:
1073:
1068:
1066:
1061:
1060:
1057:
1050:
1046:
1044:
1040:
1037:
1035:
1031:
1028:
1025:
1021:
1018:
1017:
998:
994:
987:
973:
972:
967:
961:
947:on 2014-08-12
946:
942:
936:
934:
917:
913:
906:
890:
886:
879:
872:
867:
860:
855:
851:
841:
838:
836:
833:
831:
828:
826:
823:
821:
818:
816:
813:
811:
808:
807:
798:
795:
792:
789:
786:
782:
779:
776:
773:
770:
767:
766:
765:
755:
752:
737:
734:
726:
716:
712:
708:
702:
701:
696:This section
694:
685:
684:
675:
666:
662:
659:This section
657:
654:
650:
649:
640:
637:
629:
618:
615:
611:
608:
604:
601:
597:
594:
590:
587: –
586:
582:
581:Find sources:
575:
571:
567:
561:
560:
556:
551:This section
549:
545:
540:
539:
534:
532:
525:
524:
519:
518:
513:
508:
499:
498:
486:
483:
480:
476:
473:
469:
466:
462:
459:
455:
452:
451:
450:
447:
445:
434:
431:
416:
413:
405:
395:
391:
387:
381:
380:
375:This section
373:
364:
363:
354:
345:
341:
338:This section
336:
333:
329:
328:
319:
316:
308:
297:
294:
290:
287:
283:
280:
276:
273:
269:
266: –
265:
261:
260:Find sources:
254:
250:
246:
240:
239:
235:
230:This section
228:
224:
219:
218:
213:
211:
204:
203:
198:
197:
192:
187:
178:
177:
169:
165:
161:
159:
155:
154:Blue Security
151:
145:
143:
142:Cisco Systems
138:
136:
131:
129:
125:
114:
112:
107:
103:
94:
88:
84:
77:
76:Cisco Systems
74:
71:
68:
67:
65:
63:
59:
56:Julian Haight
55:
51:
37:
33:
30:
27:
23:
1400:Lottery scam
1357:Scraper site
1327:Doorway page
1293:
1197:Mobile phone
1177:Cold calling
1000:. Retrieved
996:
986:
975:. Retrieved
971:The Register
969:
960:
949:. Retrieved
945:the original
920:. Retrieved
915:
905:
893:. Retrieved
878:
866:
854:
796:
790:
780:
774:
768:
762:
747:
729:
720:
697:
669:
665:adding to it
660:
632:
623:
613:
606:
599:
592:
580:
564:Please help
552:
528:
521:
515:
514:Please help
511:
488:environment.
484:
482:Contributing
481:
474:
467:
460:
453:
448:
441:
426:
408:
399:
376:
348:
344:adding to it
339:
311:
302:
292:
285:
278:
271:
259:
243:Please help
231:
207:
200:
194:
193:Please help
190:
166:
162:
150:bot networks
146:
139:
132:
126:attacks and
120:
101:
100:
25:Company type
1362:Social spam
1274:Greylisting
1244:Client-side
1172:Auto dialer
922:28 December
918:. p. 1
820:E-mail spam
493:Limitations
78:(from 2007)
72:(2003–2007)
1434:Categories
1367:Spam blogs
1332:Forum spam
1309:Spamdexing
1182:Flyposting
1141:Image spam
1103:Email spam
1034:newsgroups
1002:2024-05-07
977:2020-02-02
951:2014-08-10
846:References
707:improve it
596:newspapers
517:improve it
386:improve it
275:newspapers
196:improve it
106:email spam
29:Subsidiary
1347:Link farm
1317:Blog spam
1236:Anti-spam
1202:Newsgroup
1192:Messaging
1094:Protocols
1041:from the
815:Blue Frog
711:verifying
585:"SpamCop"
553:does not
523:talk page
478:networks.
390:verifying
264:"SpamCop"
232:does not
202:talk page
1450:IronPort
1440:Spamming
1412:Phishing
1322:Cloaking
1299:Spamhaus
1207:Robocall
1187:Junk fax
895:17 March
889:Archived
804:See also
464:content.
172:Benefits
160:attack.
128:lawsuits
1294:SpamCop
1212:Spambot
1156:Spambot
1146:Joe job
997:Bouncer
705:Please
610:scholar
574:removed
559:sources
471:emails.
457:secure.
384:Please
289:scholar
253:removed
238:sources
117:History
102:SpamCop
91:spamcop
86:Website
53:Founder
43: (
35:Founded
20:SpamCop
612:
605:
598:
591:
583:
291:
284:
277:
270:
262:
104:is an
62:Parent
1417:Voice
1372:Sping
1289:SORBS
1165:Other
1131:DNSWL
1126:DNSBL
1049:SURBL
617:JSTOR
603:books
296:JSTOR
282:books
1222:VoIP
1047:The
1032:and
1024:TLDs
924:2010
897:2024
589:news
557:any
555:cite
444:ISPs
268:news
236:any
234:cite
158:DDoS
124:DDoS
93:.net
45:1998
38:1998
1043:FAQ
709:by
667:.
568:by
388:by
346:.
247:by
1436::
1026:.)
995:.
968:.
932:^
914:.
887:.
526:.
205:.
1078:e
1071:t
1064:v
1005:.
980:.
954:.
926:.
899:.
754:)
748:(
736:)
730:(
725:)
721:(
703:.
674:)
670:(
639:)
633:(
628:)
624:(
614:·
607:·
600:·
593:·
576:.
562:.
533:)
529:(
433:)
427:(
415:)
409:(
404:)
400:(
382:.
353:)
349:(
318:)
312:(
307:)
303:(
293:·
286:·
279:·
272:·
255:.
241:.
212:)
208:(
47:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
