Bayan shekara guda na cigaba sabon sigar tsarin dandalin spam, Assassin Spam 3.4.3 wanne ya zo tare da yawan canje-canje da gyaran kwaro ɗayan ɗayan rauni ne wanda zai iya haifar da ƙin ba da sabis.
SpamAssassin shiri ne don tace spam wanda ke amfani da dabaru da yawa na gano spam, ciki har da DNS da fuzzy-checksum na tushen spam spam, tacewa, shirye-shiryen waje, jerin sunayen baƙi, da bayanan yanar gizo. Ana iya haɗa shirin tare da uwar garken wasiku to ta atomatik tace duk wasikun daga shafin.
Hakanan ana iya gudanar dashi ta daidaikun masu amfani a cikin akwatin gidan waya nasu kuma yana haɗuwa tare da shirye-shiryen imel iri-iri. SpamAssassin na Apache yana da matukar daidaitawa idan anyi amfani dashi azaman cikakkiyar matattarar tsarin.
SpamAssassin yana aiwatar da cikakkiyar hanya don yanke shawara akan tosheo: Saƙo yana yin jerin cuku (nazarin mahallin, jerin DNSBL baƙi da fari, ƙwararrun masu koyar da Bayesian, tabbatar da sa hannu, tabbatar mai aikawa ta amfani da SPF da DKIM, da sauransu).
Bayan kimanta saƙo ta hanyoyi daban-daban, an tara takamaiman nauyin nauyi. Idan lissafin coefficient ya wuce wani mashiga, ana katange sakon ko alama azaman spam.
Bayan haka yana amfani da kayan aiki masu jituwa don sabunta dokar ta atomatik tace, ana iya amfani da fakiti akan tsarin kwastomomi da na uwar garke. An rubuta lambar SpamAssassin a cikin Perl kuma an rarraba ta ƙarƙashin lasisin Apache.
SpamAssassin 3.4.3 Fasali
A cikin sanarwar sabon sigar SpamAssassin 3.4.3 an haskaka cewa an ƙara shi sabon kalma "Subjprefix" zuwa ga daidaitawa don ƙara prefix zuwa batun saƙon lokacin da aka jawo doka. Lakabin "_SUBJPREFIX_»An saka shi zuwa shaci, wanda ke nuna yanayin«subjprefix".
Ara check_rbl_ns_from aiki don bincika uwar garken DNS a cikin jerin RBL. Functionara aiki csyeda_abubakar_sadeeq don tabbatar da yankuna ko adiresoshin IP na duk taken da aka karɓa a RBL.
Game da gyaran a cikin wannan sabon sigar na SpamAssassin 3.4.3 an ambaci gyara yanayin rauni (BAKAN-2018-11805), cewa ba ka damar tafiyar da umarnin tsarin daga fayilolin CF (Fayil ɗin sanyi na SpamAssassin) ba tare da nuna bayani game da ƙaddamarwar ba.
Kazalika gyara yanayin rauni (CVE-2019-12420) wanda za'a iya amfani dashi don haifar da ƙin sabis lokacin sarrafa imel tare da sashin Multipart na musamman.
Masu haɓakawa daga SpamAssassin ma sanar da shirye-shiryen reshe na 4.0, wanda zai aiwatar da cikakken aiki na UTF-8.
A ranar 1 ga Maris, 2020, buga dokoki tare da sa hannu dangane da SHA-1 algorithm shima za'a daina (a sigar 3.4.2, SHA-256 da SHA-512 ayyuka na hash sun maye gurbin SHA-1).
Na sauran canje-canje wanda ya fice a cikin ad:
- Edara sabon plugin Rariya tsara don gano OLE macros da VB code a cikin takardu.
- Ingantaccen saurin gudu da tsaro na manyan hotunan bugu tare da saituna body_part_scan_size da rawbody_part_scan_size.
- Mai riƙewa don nuna alama «noububject»An kara zuwa dokokin sarrafa jikin harafi don dakatar da neman taken taken a matsayin sashin rubutu a jikin sakon
- Don dalilai na tsaro, zaɓi 'sa-sabuntawa -a yarda da abubuwa'an rage daraja.
- Zaɓin rbl_kashin kai an kara shi a cikin plugin DNSEval don ayyana taken don bincika cikin jerin RBL.
- Zaɓuɓɓukan da aka ƙara zuwa aikin email_hashbl_e-mail don ayyana mahimman bayanai, waɗanda dole ne a bincika abin da ke ciki akan RBL ko ACL.
- Aikin duba_hashbl_bodyre an kara don gano jikin wasika ta amfani da furci na yau da kullun da kuma neman ashana da aka samo a cikin RBL.
- Aikin duba_hashbl_uris an kara don gano URLs a jikin sakonni kuma tabbatar da su a cikin RBL.
Finalmente ga masu son samun wannan sabon sigar iya samun lambar tushe daga mahada mai zuwa ko kuma a ɗaya hannun, jira don binaries masu dacewa don rarraba Linux daban don ginawa da sabunta su a cikin tashoshi masu dacewa.