{"id":60666,"date":"2010-06-04T13:49:00","date_gmt":"2010-06-04T11:49:00","guid":{"rendered":"https:\/\/blog.wedos.cz\/?p=60666"},"modified":"2021-04-29T10:03:17","modified_gmt":"2021-04-29T08:03:17","slug":"prvni-seznameni-s-mailservery","status":"publish","type":"post","link":"https:\/\/blog.wedos.com\/cs\/prvni-seznameni-s-mailservery","title":{"rendered":"Prvn\u00ed sezn\u00e1men\u00ed s mailservery"},"content":{"rendered":"\n<p>Jedn\u00edm z na\u0161ich hlavn\u00edch rozhodnut\u00ed bude volba syst\u00e9mu pro provoz e-mailov\u00fdch slu\u017eeb pro na\u0161e z\u00e1kazn\u00edky. V tomto \u010dl\u00e1nku v\u00e1m p\u0159in\u00e1\u0161\u00edme z\u00e1kladn\u00ed informace o produktech, se kter\u00fdmi se nyn\u00ed seznamujeme a kter\u00e9 testujeme &#8211; IceWarp, MailEnable a Kerio Connect.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Tento \u010dl\u00e1nek p\u0159in\u00e1\u0161\u00ed jen kr\u00e1tk\u00e9 sezn\u00e1men\u00ed a konstatov\u00e1n\u00ed co kter\u00fd produkt um\u00ed. V dal\u0161\u00edch \u010dl\u00e1nc\u00edch p\u0159ineseme detailn\u011bj\u0161\u00ed anal\u00fdzu, v\u00fdsledky v\u00fdkonnostn\u00edch test\u016f aj.<\/p>\n\n\n\n<p>P\u0159i zkoum\u00e1n\u00ed t\u011bchto produkt\u016f jsme se zam\u011b\u0159ili krom\u011b obvykl\u00fdch v\u011bc\u00ed (jako \u017ee to t\u0159eba um\u00ed p\u0159ij\u00edmat e-maily) tak\u00e9 nap\u0159. na:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>p\u0159\u00edtomnost API rozhran\u00ed &#8211; pro mo\u017enost automatizace n\u011bkter\u00fdch \u00fakon\u016f vol\u00e1n\u00edm p\u0159\u00edkaz\u016f z na\u0161ich informa\u010dn\u00edch a objedn\u00e1vkov\u00fdch syst\u00e9m\u016f<\/li><li>p\u0159\u00edv\u011btivost a funk\u010dnost WebMail rozhran\u00ed, se kter\u00fdm budou pracovat na\u0161i z\u00e1kazn\u00edci<\/li><li>mo\u017enost clusterov\u00e1n\u00ed &#8211; provoz jednoho e-mailov\u00e9ho syst\u00e9mu na v\u00edce fyzick\u00fdch serverech se vz\u00e1jemn\u00fdm zastupov\u00e1n\u00edm v p\u0159\u00edpad\u011b poruchy (fail-over cluster)<\/li><li>konfigurovatelnost r\u016fzn\u00fdch v\u011bc\u00ed (antiviru, antispamu aj.) pro jednotliv\u00e9 dom\u00e9ny a schr\u00e1nky<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">IceWarp<\/h2>\n\n\n\n<p>Mailserver IceWarp od \u010desk\u00e9 firmy IceWarp software m\u00e1 za sebou ji\u017e 10 let v\u00fdvoje a je pou\u017e\u00edv\u00e1n na v\u00edce ne\u017e 50 000 \u017eiv\u00fdch serverech, kter\u00e9 zaopat\u0159uj\u00ed zhruba 50 000 000 u\u017eivatel\u016f. Jedn\u00e1 se o produkt, kter\u00fd se zam\u011b\u0159uje pr\u00e1v\u011b zejm\u00e9na na ISP firmy jako jsme my. Mailserver podporuje klasick\u00e9 standardy SMTP, POP\/IMAP, kter\u00e9 se v\u0161emi ostatn\u00edmi slu\u017ebami \u0161ifruje pomoc\u00ed SSL\/TSL. Po nainstalov\u00e1n\u00ed je z u\u017eivatelsk\u00e9ho hlediska k dispozici programov\u00e9 administra\u010dn\u00ed rozhran\u00ed, webov\u00e9 administra\u010dn\u00ed rozhran\u00ed a webov\u00fd klient pro po\u0161tu. Webov\u00e9 slu\u017eby b\u011b\u017e\u00ed na vlastn\u00edm serveru. P\u0159es velmi objemn\u00e9 mno\u017estv\u00ed funkc\u00ed, kter\u00e9 server nab\u00edz\u00ed, je administra\u010dn\u00ed rozhran\u00ed p\u0159ehledn\u00e9 a ergonomick\u00e9. Dal\u0161\u00ed specifika aplikace jsou uvedena n\u00ed\u017ee.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Chytr\u00e9 p\u0159\u00edlohy<\/strong>&nbsp;&#8211;&nbsp;P\u0159\u00edlohy nen\u00ed nutn\u00e9 fyzicky p\u0159ikl\u00e1dat ke zpr\u00e1v\u011b. Syst\u00e9m ji ulo\u017e\u00ed pouze lok\u00e1ln\u011b na serveru a do mailu vlo\u017e\u00ed unik\u00e1tn\u00ed odkaz pro jej\u00ed sta\u017een\u00ed. V\u00fdrazn\u011b tak \u0161et\u0159\u00ed provoz na serveru a to nejenom na sv\u00e9m, ale i na serveru p\u0159\u00edjemce.<\/li><li><strong>24\/7 Operation<\/strong>&nbsp;\u2013 ready &#8211;&nbsp;Monitoring serveru i vlastn\u00edch slu\u017eeb, kter\u00fd po zji\u0161t\u011bn\u00ed probl\u00e9mu automaticky upozor\u0148uje spr\u00e1vce serveru formou e-mailu, textov\u00e9 zpr\u00e1vy \u010di IM.<\/li><li><strong>Web Instant Messaging klient<\/strong>&nbsp;&#8211;&nbsp;Po p\u0159ihl\u00e1\u0161en\u00ed do webov\u00e9ho rozhran\u00ed schr\u00e1nky mohou u\u017eivatel\u00e9 bez jak\u00e9koliv konfigurace okam\u017eit\u011b komunikovat nebo si vz\u00e1jemn\u011b pos\u00edlat soubory. Historie komunikace se ukl\u00e1d\u00e1 na stran\u011b serveru, je tedy kdykoliv dostupn\u00e1 i z jin\u00fdch IM klient\u016f. Instant Messaging server je mo\u017en\u00e9 propojit s ostatn\u00edmi IM nebo komunitn\u00edmi s\u00edt\u011bmi (ICQ, MSN, Google talk!, Yahoo, AOL nebo Facebook).<\/li><li><strong>Web VOIP klient<\/strong>&nbsp;&#8211;&nbsp;P\u0159in\u00e1\u0161\u00ed u\u017eivatel\u016fm mo\u017enost komunikovat hlasem bez nutnosti instalace hardwarov\u00e9ho nebo softwarov\u00e9ho SIP za\u0159\u00edzen\u00ed. Pro p\u0159ipojen\u00ed je po\u017eito java appletu, jen\u017e lze pou\u017e\u00edt i mimo integrovan\u00fd SIP server. Integrovan\u00fd SIP server nemus\u00ed slou\u017eit pouze pro p\u0159enos hlasu, ale lze p\u0159es n\u011bj prov\u00e1d\u011bt i videokonference pro dva a v\u00edce \u00fa\u010datn\u00edk\u016f. Pro tyto \u00fa\u010dely je v\u0161ak u\u017e nutn\u00e9 m\u00edti nainstalovan\u00fd extern\u00ed SIP klient.<\/li><li>Podpora clusterov\u00e1n\u00ed (nen\u00ed n\u00e1m v\u0161ak jasn\u00e1 fail-over funk\u010dnost, je\u0161t\u011b prov\u011b\u0159\u00edme)<\/li><li>Mo\u017enost pln\u00e9 synchronizace Active Directory a LDAP<\/li><li>SMS Server<\/li><li>Spam filter a antivir<\/li><li>Kalend\u00e1\u0159e, Kontakty, \u00dakoly, \u017durn\u00e1ly (FreeBusy, iMIP)<\/li><li>Sd\u00edlen\u00ed mail\u016f mezi u\u017eivateli v r\u00e1mci nastaven\u00fdch pr\u00e1v<\/li><li>Multiplatformn\u00ed architektura<\/li><li>Mobiln\u00ed synchronizace (ActiveSync, SyncML)<\/li><li>Vlastn\u00ed webov\u00e9 rozhran\u00ed mail klienta s vlastn\u00edm WWW serverem<\/li><li>\u010ce\u0161tina + dal\u0161\u00edch 20 sv\u011btov\u00fdch jazyk\u016f<\/li><li>Velmi dobr\u00e9 API umo\u017e\u0148uj\u00edc\u00ed konfiguraci v\u0161ech slu\u017eeb serveru<\/li><li>Robustnost \u0159e\u0161en\u00ed<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">MailEnable<\/h2>\n\n\n\n<p>Poch\u00e1z\u00ed z d\u00edlen australsk\u00e9 spole\u010dnosti MailEnable Pty. Ltd., kter\u00e1 na trhu funguje od roku 2001. Mailserver m\u00e1 op\u011bt velice slu\u0161n\u011b zpracovan\u00e1 administra\u010dn\u00ed rozhran\u00ed. Webov\u00fd klient pro p\u0159\u00edstup do po\u0161ty je u\u017eivatelsky p\u0159\u00edv\u011btiv\u011bj\u0161\u00ed a p\u0159ehledn\u011bj\u0161\u00ed ne\u017e u IceWarpu. Nev\u00fdhodu v\u0161ak lze spat\u0159ovat v tom, \u017ee MailEnable je v\u00e1zan\u00fd na platformu Windows a na jej\u00ed IIS server, bez kter\u00e9ho nen\u00ed mo\u017en\u00e9 p\u0159istupovat p\u0159es prohl\u00ed\u017ee\u010d na mail ani do webov\u00e9 administrace.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Advertising and Campaign Management<\/strong>&nbsp;&#8211;&nbsp;Webov\u00fd klient aplikace MailEnable umo\u017e\u0148uje administr\u00e1tor\u016fm nastavovat reklamu v r\u00e1mci klient\u016f svoj\u00ed webov\u00e9 str\u00e1nky, p\u0159\u00edpadn\u011b glob\u00e1ln\u011b na cel\u00e9m serveru. Reklamy lze t\u0159\u00eddit do logick\u00fdch skupin (kampan\u00ed), kontrolovat rotaci banner\u016f a d\u011blat \u201eklikac\u00ed\u201c statistiky.<\/li><li><strong>Cluster Management<\/strong>&nbsp;&#8211;&nbsp;Umo\u017e\u0148uje konfigurovat b\u011bh mailserveru na v\u00edce po\u010d\u00edta\u010d\u00edch spojen\u00fdch do clusteru. Co\u017e je v\u00fdhodn\u00e9 jak pro rozlo\u017een\u00ed z\u00e1t\u011b\u017ee, tak pro redundanci v p\u0159\u00edpad\u011b p\u00e1du jednoho ze server\u016f<\/li><li><strong>Publikov\u00e1n\u00ed soubor\u016f z \u00falo\u017ei\u0161t\u011b na webu<\/strong>&nbsp;&#8211;&nbsp;V\u0161echny soubory nahran\u00e9\/p\u0159ijat\u00e9 na mailserver lze jednodu\u0161e publikovat p\u0159es unik\u00e1tn\u00ed url adresu a sd\u00edlet d\u00e1le.<\/li><li>Synchronizace Active Directory a LDAP<\/li><li>SMS Server<\/li><li>Spam filter a antivir<\/li><li>GroupWare<\/li><li>OS Windows<\/li><li>Mobiln\u00ed synchronizace<\/li><li>Webov\u00e9 rozhran\u00ed pro \u010dten\u00ed mail\u016f realizov\u00e1no p\u0159es IIS<\/li><li>Kvalitn\u011b zpracovan\u00e9 API<\/li><\/ul>\n\n\n\n<p>Nejv\u011bt\u0161\u00edm m\u00ednusem u tohoto produktu je&nbsp;<strong>absence \u010desk\u00e9 jazykov\u00e9 verze.<\/strong>&nbsp;Dle&nbsp;na\u0161eho pr\u016fzkumu existuj\u00ed n\u011bjak\u00e9 neofici\u00e1ln\u00ed postupy a \u00fapravy, kter\u00fdmi lze doc\u00edlit po\u010de\u0161t\u011bn\u00ed rozhran\u00ed, ale moc se n\u00e1m to neda\u0159ilo. Ofici\u00e1ln\u011b jin\u00e9 jazyky podporov\u00e1ny z\u0159ejm\u011b nejsou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kerio Connect<\/h2>\n\n\n\n<p>Spole\u010dnost Kerio Technologies, zalo\u017een\u00e1 v roce 2001, je jedn\u00edm z hlavn\u00edch v\u00fdrobc\u016f bezpe\u010dnostn\u00edho internetov\u00e9ho softwaru pro mal\u00e9 a st\u0159edn\u011b rozs\u00e1hl\u00e9 s\u00edt\u011b, se specializac\u00ed na s\u00ed\u0165ov\u00e9 firewally a bezpe\u010dnost intern\u00ed firemn\u00ed komunikace. Produkt Kerio Connect byl uveden na trh v roce 2002 tehdy je\u0161t\u011b pod N\u00e1zvem Kerio MailServer. Kerio Connect m\u00e1 ze v\u0161ech t\u0159\u00ed produkt\u016f nejp\u0159\u00edjemn\u011bj\u0161\u00ed u\u017eivatelsk\u00e9 rozhran\u00ed. Po nainstalov\u00e1n\u00ed je k dispozici administr\u00e1torsk\u00e1 konzole, webov\u00e9 administra\u010dn\u00ed rozhan\u00ed a webov\u00fd mail klient. P\u0159es velmi slu\u0161n\u00e9 zpracov\u00e1n\u00ed serveru chyb\u00ed API rozhran\u00ed, kter\u00e9 je velmi podstatn\u00e9, pro \u00fa\u010dely datacentra, kde maj\u00ed b\u00fdt v\u0161echny \u00fakony automatizovan\u00e9 v r\u00e1mci \u0159\u00edd\u00edc\u00ed aplikace.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Synchronizace Active Directory a LDAP<\/li><li>Spam filter a antivir<\/li><li>GroupWare<\/li><li>Multiplatformn\u00ed architektura<\/li><li>Mobiln\u00ed synchronizace<\/li><li>Vlastn\u00ed webov\u00e9 rozhran\u00ed pro \u010dten\u00ed mail\u016f<\/li><li>Jazykov\u00e9 mutace v\u010detn\u011b \u010de\u0161tiny<\/li><\/ul>\n\n\n\n<p>U tohoto produktu je nejv\u011bt\u0161\u00edm m\u00ednusem&nbsp;<strong>absence API rozhran\u00ed<\/strong>. Sice n\u00e1m byl na vy\u017e\u00e1d\u00e1n\u00ed posl\u00e1n n\u011bjak\u00fd program, kter\u00fd lze pou\u017e\u00edvat p\u0159es p\u0159\u00edkazov\u00fd \u0159\u00e1dek a p\u0159es n\u011bj n\u011bjak\u00fdm zp\u016fsobem administrovat slu\u017eby, av\u0161ak program \u00fadajn\u011b neprov\u00e1d\u00ed \u017e\u00e1dn\u00e9 kontroly a prost\u011b hned vykon\u00e1 po\u017eadovan\u00fd p\u0159\u00edkaz, co\u017e m\u016f\u017ee v\u00e9st k nekonzistentn\u00edmu stavu produktu.<\/p>\n\n\n\n<p>Tak\u00e9 n\u00e1m u Kerio Connect nen\u00ed v\u016fbec jasn\u00e9 clusterov\u00e1n\u00ed. Sice jsme o n\u011bm na\u0161li n\u011bjak\u00e9 zm\u00ednky a dokonce i n\u011bjak\u00fd konfigura\u010dn\u00ed soubor, ale v\u00edc jsme nepochopili.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jedn\u00edm z na\u0161ich hlavn\u00edch rozhodnut\u00ed bude volba syst\u00e9mu pro provoz e-mailov\u00fdch slu\u017eeb pro na\u0161e z\u00e1kazn\u00edky. V tomto \u010dl\u00e1nku v\u00e1m p\u0159in\u00e1\u0161\u00edme z\u00e1kladn\u00ed informace o produktech, se kter\u00fdmi se nyn\u00ed seznamujeme a kter\u00e9 testujeme &#8211; IceWarp, MailEnable a Kerio Connect.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[41,67],"class_list":["post-60666","post","type-post","status-publish","format-standard","hentry","category-sluzby","tag-nolimit","tag-webhosting"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/60666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/comments?post=60666"}],"version-history":[{"count":1,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/60666\/revisions"}],"predecessor-version":[{"id":60669,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/60666\/revisions\/60669"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=60666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=60666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=60666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}