IMailServer皌竚мォ-Ч俱DNS砞﹚芠├(3)

??挤腹???ミ?狝竟
砞﹚IMailㄏノ挤腹?呼琌???よ猭?籔よ猭??ㄏノ??˙艼?ミ??IMail筿福?

1. ?IMail筿福??ㄏノ??ミ秎ン眀腹?

2. ?狦?琌ㄏノよ猭???ISP筿福?㎝??IMail筿福??ㄏノ??嘿ゲ斗??? ?禗WindowsNT/2000 Τ闽??筿?秎ン办?嘿?讽WindowsNT/2000碝т??呼办?嘿?ウ??穓碝\winnt\system32\driver\hostsゅン?礛??璝⊿Τ?才?WindowsNT/2000锣τ高拜呼办?嘿?狝竟(DNS)闽?硂?呼办?嘿?IP??? 硂玻ネ??拜肈?パ???WindowsNT/2000 筿福Τ??㎝??ISP筿福ぃ??IP???讽IMailΜ?秎ン?ウ盢穦琩?硂?秎ン?呼办?嘿????狦呼办?嘿砆????ISP?筿福(?ISP?IP??)?玥IMail盢р秎ン癳???ISP?筿福(ウ粄?琌タ絋?)?秎ン盢ㄓ??砆は紆??筿福р秎ン獺?癳??程??盚ン?? ??磷?硂?拜肈??ミ??店览?诀?礛??¨Virtual Host Configuration〃跌怠い?¨Aliases〃ゅ?逆?い?????Μ?秎ン┮??呼办?嘿???盢硂?呼办?嘿??IMail筿福?IP??? 羭ㄒㄓ弧??狦?ㄏノよ猭????筿福Τ闽???㎝?嘿???
ISP?IP?? ? 156.21.50.1
ISP?呼办?嘿? isp_are_us.com
IMail IP?? ? 156.21.50.240
IMail?嘿 ? my_imail_machine

?莱赣?\winnt\system32\driver\hosts ゅンい块 ????兜?

156.21.50.240??
my_imail_machine 156.21.50.240 ??
isp_domain_name.com
???Τ???嘿?????IP????狦??筿福タ?钡Μ??呼办?秎ン?硂?癸?Τ┮腊???惠璶盢–?呼办?嘿?hostsゅンい??IMail筿福?IP??? 羭ㄒㄓ弧??狦?ㄏノよ猭????筿福Τ闽???㎝?嘿??? ISP?IP??? 156.21.50.1 ??呼办?嘿? my_domain_name.com my_domain_name.com?IP??? 156.21.50.1 IMail?嘿? my_imail_machine IMail?IP??? 156.21.50.240 ?莱穦?\winnt\system32\driver\hosts ゅンい块????兜? 156.21.50.240??
my_imail_machine 156.21.50.240 ??
my_domain_name.com

3. 埃獶?ゴ衡蝴?7*24??硓筁挤腹硈钡Inte.net??惠璶Τ??ISP?纗┮Τ?そ??秎ン?礛??琵??ISP砞﹚???筿福﹚戳?祇癳秎ン倒IMail筿福?

ISP祇癳秎ン?秅戳?∕?倒??筿福挤腹?呼?秅戳?σ納????ㄓ∕﹚逼钉单??丁(queue times)?
? ??挤腹?呼?尿???丁(10, 20, 30だ牧)?
? ISP盢穦??刚帝祇癳秎ン???NT筿福?
? ??NT/2000 筿福盢穦??刚帝?祇癳秎ン?呼悔呼隔?
? 讽?挤腹?呼??Τ?ぶ秎ン惠璶祇癳㎝钡Μ?
羭ㄒㄓ弧??狦硈钡?丁盢穦琌20だ牧??癸瑈秖(50%钡Μ㎝50%祇癳)籔?癸虏祏秎ン(⊿Τ?ン┪??郎?)????ㄌ酚???兜?ミ逼钉单??丁?
硈钡?丁? 20
ISP逼钉单??丁? 15
IMail逼钉单??丁?15
筿?秎ン计秖? 50 ?钡Μ/50?祇癳?(虏祏秎ン)

?硂?ㄒ?い?硈钡?丁琌??IMail硈钡?ISP?筿福??丁(硂穦???﹚?祘?い砞﹚)?ISP逼钉单??丁∕﹚ISP秎ン筿福??刚帝?祇癳秎ン倒IMail?IMail逼钉单??丁∕﹚??IMail刚帝?祇癳秎ン倒ISP┪呼悔呼隔(硂???SMTP?乓い砞﹚)? ??絋玂ぃ恨硈钡?丁?????秎ン常盢砆矪瞶??璶ㄏ逼钉单??丁??硈钡?丁??狦?箇?钡Μ┪祇癳?秖?秎ン?┪Τ??ゑㄒ?いぞ??秎ン????糤?硈钡?丁?┪??搭ぶ逼钉单??丁? ??拒?????ㄏノETRN ??も笆??ㄓ?ISP秎ン?狝叭?秎ン? 叫猔種?IMailぃ暗﹚??逼??惠璶Τ?笆祘?﹚??挤腹?硈钡???い耞硈钡

砞﹚IMailΘ?秎ン筯笵竟
??盢IMail砞竚Θ?????秎ン狝叭竟?秎ン筯笵竟?硂種?帝????狝竟秎ン?祇癳㎝钡Μ常盢硓筁IMail?硄盽???穦?ミ??秎ン筯笵竟?????秎?狝竟ㄏノ挤腹?呼??ぃ琌??硈钡?呼悔呼隔?? ?狦?稱рIMail?狝竟皌竚Θ????秎ン?狝竟?筯笵竟?ê??狝竟?﹚璶笲︽SMTP? ??璶盢IMail?狝竟砞竚?????秎ン?狝竟?筯笵竟?浪琩??ㄆ兜?
? ??筯笵竟?IMail?狝竟?秎ン呼办(羭ㄒㄓ弧,domain2.com)?IMail?狝竟いぃ穦?瞷?
? 秎ン呼办?ㄏノ?眀腹琌?????狝竟??
? 秎ン?狝竟?MX戈方癘魁ゲ斗??IMail?狝竟?诀????ㄓ?祇癳?ê?呼办?秎ン盢穦?笷IMail?狝竟?诀?(硂??DNSい?MX戈方癘魁????秎ン?狝竟ㄏノ)
? IMail?狝竟?诀ゲ斗?镑秆猂???SMTP?狝竟?呼办?嘿锣IP???硂琌硓筁?IMail?诀??hostsゅン( \winnt\system32\drivers\etc\hosts)い块?呼办?嘿㎝IP??ㄓЧΘ?? 硂???IMail ?狝竟?琩高DNS?狝竟ぇ玡?浪琩hostsゅン㎝IP戈癟?IMail逼钉单?┮Τ?秎ン??ウ砆患癳?????狝竟?┪禬筁?Number of Triesい砞﹚?RetryTimerΩ计?
? ?狦??¨SMTP Security〃?乓いㄏノ¨Relay Mail for〃?匡兜??ゲ斗ㄏノ¨Addresses〃 ?秙ㄓ睰?ㄤ??狝竟??????块?环狠?IP??? ???兜ㄒ?甶瞷????ミIMail?狝竟?呼办(domain2.com) 钡Μ秎ン??锣祇┮Τ?秎ン?????SMTP?狝竟?呼办?安﹚???兜? ???秎ン呼办?嘿domain2.com ???SMTP ?狝竟??诀?嘿? other_SMTP_serve ???SMTP ?狝竟?IP??? 156.21.50.240 IMail?狝竟?诀??嘿? my_imail_machine IMail ?狝竟?IP??? 156.21.50.10 讽WindowsNT/2000 琩高??呼办?嘿?ウ??穓碝\winnt\system32\driver\etc\hostsゅン?????hostsい?盢呼办?嘿籔IP???????SMTP?狝竟?156.21.50.240 ?domain2.com
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猔種ㄆ兜
??ㄏノETRN??眖ISP?秎ン?狝竟?も笆??秎ン?
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砞﹚IMail?称?筿?秎ン?狝竟
???ミIMail讽??め?秎ン?狝竟?称?矪瞶ㄏノ(?狦?め?筿福氨ゎ???IMail盢Μ栋秎ン?????狝竟?穝??)??め?秎ン?狝竟ゲ斗Τ??㏕﹚??ぃ穦э跑?IP???
??璶??皌竚?琵?め砞﹚??筿福﹚戳祅魁ISP?狝竟磅︽单?逼钉?秎ン矪瞶?
羭ㄒㄓ弧??狦???刚?丁砞﹚?30だ牧?琵?–筳20だ牧オ?硈钡?ISP?讽??﹚?竟碻吏?????莱赣?絬???非称钡Μ秎ン?
??拒??????环狠祅???筿福?25梆(SMTP梆)??ノ硂?ETRN???Α?
etrn his_domain.com
硂盢穦?更逼钉单??秎ン???筿福?
?DNSい????狝竟盢穦琌?呼办い?Ω璶?MX癘魁(ゑ耕??纔?舦)?懦????狝竟盢穦琌?璶?MX癘魁???ゲ斗????诀い?hostsゅン(\winnt\system32\driver\etc\ hosts)い盢??呼办?嘿琈甮???IP????ㄒ??his.i.p.address ?his.domainname ?硂兵隔畖い?IMail盢沽刚患癳ウ钡Μ?硂?呼办?ヴ?秎ン???筿福?(?DNSい露筁MX癘魁?ê???ウセō??穦玻ネ秎ン癹吏)?
?狦?ㄏノIMail?¨SMTP security〃磷?︰В秎ン盢??筿福??︰В秎ン锣祇?穝糤???狝竟IP??(眖¨SMTP Security〃??△翴阑¨Control Aclearcase/" target="_blank" >ccess〃?秙△铬?¨Access Control〃癸杠?ㄓ暗)羭ㄒㄓ弧??狦环狠?诀?DNS砆砞竚Θ??璶呼办mail.widgets.com钡Μ秎ン???????Email?狝竟mail.domain.com?????称??狝竟?ê或环狠?诀?MX癘魁?癬ㄓ盢穦钩硂?妓?
MX?10 mail.widgets.com
MX?20 mail.domain.com
讽mail.widgets.com氨ゎ??????秎ン穦砆祇癳???筿福mail.domain.com?璶?mail.widgets.com 呼办锣祇秎ン??惠璶?Relay mail for匡兜い?﹚ウ?IP??????IMail?诀??hostsゅンい块?ウ??诀?㎝IP???

砞﹚癸单IMail?狝竟
IMail琵??ミ"癸单(peer)" ?狝竟す砛ノめ硓筁??龟砰筿福矪瞶???呼办????IMail?秎ン瑈秖獶盽羉???秎ン矪瞶跑眔獶盽絯篊???獶盽Τノ???秎ン?狝竟?矪瞶???秎ン硄獺秖盢穦ㄌ苦??筿福?祑砰皌竚?

??癸单??
安砞?Τ??╰参?ミ?癸单?狝竟?ㄢ?╰参?Τ?杆IMail???–??狝竟常Τ??呼办?场だㄏノ?戈?畐?讽呼办い???ㄏノ??秎ン秈ㄓ???(羭ㄒㄓ弧?user@ipswitch.net)?ê祇癳?狝竟暗??DNS 琩高???眔??诀?嘿籔癸单?狝竟いぇ??IP???秎ン砆祇癳?癸单?狝竟?ㄤいぇ???狦ㄏノ??癸单?狝竟?砆祇瞷?玥秎ン砆患癳?璝⊿Τ祇瞷?癸单?狝竟暗??SMTP喷靡琩?ㄏノ?琌??????狝竟?????狦Τт?ㄏノ??ウ碞锣祇秎ン??狦ヴ?癸单?狝竟氨ゎ??????癸单?狝竟盢穦钡Μ秎ン??玂痙秎ン??材???狝竟?穝笲??

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猔種ㄆ兜
讽ㄏノ癸单?狝竟????ぃ璶匡拒¨Disable SMTP VRFY command〃(?¨SMTP Security〃?乓い)?癸单?狝竟惠璶ㄏノ硂?㏑?喷靡????癸单?狝竟??ㄏノ??
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砞﹚˙艼
?ゲ斗?–场癸单?狝竟い?杆IMail 4.03????セ????IMail呼办糤???┪???癸单?狝竟?
1. ?–?╰参??杆???猭?IMail暗?癸单秎ン?狝竟?

2. ???DNS?狝竟???癸单?狝竟糤?MX戈方癘魁?

3. ?–??╰参??hostsゅン柑??┮Τ?秎ン?狝竟睰?癘魁?

4.?–?秎ン?狝竟??ㄏノ¨IMail Administrator恨瞶ざ?〃ㄌ???兜?ミ癸单???
? ?オ娩?狾い匡拒¨localhost〃??¨General〃?乓??翴阑¨Add Host〃?秙??瞷¨Virtual Host Configuration〃癸杠??
? ?¨Virtual Host Configuration〃癸杠?い?匡拒?稱璶糤?癸单?狝竟??诀???癸单?狝竟莱赣琌痷龟??诀?τぃ琌店览??诀?
? 翴阑癸杠???よ¨Peer List〃?秙??瞷¨Peer Lis〃t癸杠??
? ?Peer List〃癸杠?い块?癸单?狝竟?IP???癸单?狝竟?IP??莱???痷龟?诀?翴阑¨Add〃рウ??¨癸单??〃?
? 絋﹚癸单???–场筿福????????呼办钡Μ秎ン?

5.?–?秎ン?狝竟?¨Virtual Host Configuration〃癸杠?い??¨Alias〃逆?い?絋﹚?璶?Μ祇秎ン呼办琌斑??块?(羭ㄒㄓ弧?ipswitch.net)?硂??¨Alias〃逆?い块??????┮Τ?狝竟?璶?璓?硂???ぃ?籔?璶呼办い疭???诀Τ闽羛??¨Alias〃逆?い荡癸ぃ?块?IP???

6. 癸–?秎ン?狝竟?讽ㄏノ癸单???????¨SMTP〃?乓い?¨Default Mail Host〃ゅ?逆?琌???

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猔種ㄆ兜
?ぃ璶рセ诀筿福?IP????癸单??い???璶块?ㄤ??癸单?狝竟?
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?ミ癸单?狝竟?ㄒ?
安砞?Τ??呼办(?暗ipswitch.net)㎝???狝竟?硂???狝竟????纔?舦?钡Μ秎ン???场常Τ场だ?ㄏノ?戈?畐??ゲ斗???DNSい?块????兜? DNS块?兜ヘ? ipswitch.net IN ?MX? 10 ?mail1.ipswitch.net IN? MX ?10? mail2.ipswitch.net IN? MX ?10 ?mail3.ipswitch.net mail1? IN ?A ?1.1.1.1 mail2? IN ?A? 2.2.2.2 mail3 ?IN? A ?3.3.3.3 ?????狝竟?IMail硁砰い?ミ???癸单??? ?mail1??癸单??? 2.2.2.2 3.3.3. 3 ?mail2??癸单??? 1.1.1.1 3.3.3.3 ?mail3??癸单??? 1.1.1.1 2.2.2.2 ????狝竟??hostsゅンい????块?? ?mail1??hostsゅン? 2.2.2.2 mail2.ipswitch.net 3.3.3.3 mail3.ipswitch.net ?mail2??hostsゅン? 1.1.1.1 mail1.ipswitch.net 3.3.3.3 mail3.ipswitch.net ?mail3??hostsゅン? 1.1.1.1 mail1.ipswitch.net 2.2.2.2 mail2.ipswitch.net ????狝竟?暗???絋﹚笆??
? Virtual Host Configuration〃癸杠?い?¨Alias〃逆?い?呼办( ipswitch.net)琌斑??兜ヘ?
? ¨SMTP〃?乓い¨Default Mail Hos〃t?ゅ?逆?琌?フ??

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猔種ㄆ兜
?狦?ㄏノ癸单?砞﹚??盢礚猭ㄏノ¨nobody〃硂?????ぃ???ㄏノ?癶獺?
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ㄏノETRN ??秎ン
Τ?ㄇ薄???琌?┪???め稱璶も笆????????秎ン?狝竟?秎ン?
? ?狦??IMail砆砞竚?SMTP 秎ン筯笵竟┪讽暗???????秎ン?狝竟?称??狝竟???IMail纗?秎ン??????狝竟?絬??┪???禬筁?Number of Triesい砞﹚?RetryTimerΩ计?????狝竟?恨瞶???ヴ???も笆??秎ン?
? ?狦??IMail挤腹???ISP?秎ン?狝竟??礛?ê?ISP?秎ン?狝竟腊?玂???秎ン?????繦?も笆??秎ン?
も笆??秎ン?
ㄏノ??环狠祅?祘?(Telnet)硈钡????秎ン?狝竟?25梆(SMTP梆)?礛?磅︽?闽?ETRN???羭ㄒㄓ弧?ETRN@domain2.com ┪ ETRN mail.domain2.com 材??㏑???呼办い?场逼钉单?秎ン?材??㏑???硂?秎ン?诀??场逼钉单?秎ン?

原文转自：http://www.ltesting.net