寄yahoo.com.tw失敗
1. 作業系統：2003 Server STD<BR>2. 防毒軟體：NOD32<BR>3. 防火牆：無<BR>4. 自行架設 DNS<BR>5. ADSL 使用ＦＴＴＢ配發固定ＩＰ<BR>6. 使用防火牆，採DMZ方式指定固定IP給mail server<BR>7. MDaemon 9.5.3 AntiVirus 3.0.3<BR>8. SMTP (in) 及 (Out) 的記錄內容參考這裏<BR><BR>smtp(out)記錄<BR>Fri 2007-05-11 09:33:30: ----------<BR>Fri 2007-05-11 09:33:30: Session 56; child 6<BR>Fri 2007-05-11 09:32:27: Parsing Message <d:\internet\mailroot\queues\remote\pd35000134628.msg><BR>Fri 2007-05-11 09:32:27: From: [email protected]<BR>Fri 2007-05-11 09:32:27: To: [email protected]<BR>Fri 2007-05-11 09:32:27: Subject: yyyyy<BR>Fri 2007-05-11 09:32:27: Message-ID: <05b501c7936c$22c5fc20$0aa8a8c0@Jack><BR>Fri 2007-05-11 09:32:27: MX-record resolution of in progress (DNS Server: 168.95.1.1)...<BR>Fri 2007-05-11 09:32:27: * P=001 S=001 D=yahoo.com.tw TTL=(4) MX= {203.188.197.10}<BR>Fri 2007-05-11 09:32:27: * P=005 S=000 D=yahoo.com.tw TTL=(4) MX= {203.188.197.9}<BR>Fri 2007-05-11 09:32:27: * P=005 S=002 D=yahoo.com.tw TTL=(4) MX= {203.188.197.10} multi-homed<BR>Fri 2007-05-11 09:32:27: Attempting MX: P=001 S=001 D=yahoo.com.tw TTL=(4) MX= {203.188.197.10}<BR>Fri 2007-05-11 09:32:27: Attempting SMTP connection to <BR>Fri 2007-05-11 09:32:27: Waiting for connection...<BR>Fri 2007-05-11 09:32:48: Winsock Error 10060 The connection timed out.<BR>Fri 2007-05-11 09:32:48: Attempting MX: P=005 S=000 D=yahoo.com.tw TTL=(4) MX= {203.188.197.9}<BR>Fri 2007-05-11 09:32:48: Attempting SMTP connection to <BR>Fri 2007-05-11 09:32:48: Waiting for connection...<BR>Fri 2007-05-11 09:33:09: Winsock Error 10060 The connection timed out.<BR>Fri 2007-05-11 09:33:09: Attempting MX: P=005 S=002 D=yahoo.com.tw TTL=(4) MX= {203.188.197.10} multi-homed<BR>Fri 2007-05-11 09:33:09: Attempting SMTP connection to <BR>Fri 2007-05-11 09:33:09: Waiting for connection...<BR>Fri 2007-05-11 09:33:30: Winsock Error 10060 The connection timed out.<BR>Fri 2007-05-11 09:33:30: This message is 1 minutes old; it has 59 minutes left in this queue<BR>Fri 2007-05-11 09:33:30: SMTP session terminated (Bytes in/out: 0/0)<BR>Fri 2007-05-11 09:33:30: ----------<BR><BR>問題：<BR><BR>目前所有寄yahoo的信箱都失敗.之前可以.這一二天才不行的@@~<BR>已經爬了一堆文了.還是沒看到有人解決這個問題<BR>目前作了一些測試<BR><BR>1.http://www.robtex.com/rbls.html 在這個頁面中測試了公司主機IP<BR>沒有出現紅色警告,大多為綠色OK,一部份顯示不在白名單中.少部份顯示time out<BR><BR>2.檢查了 pop before smtp 設定<BR>打勾 local sender must have accessed mailbox within last 20 minutes<BR><BR>打勾 Messages collected via ATRN are Exempt from this Requirement<BR><BR>未勾 Messages sent from trusted IPs are exempt from this requirement<BR>(順便問一下這行的意思@@~,因為在webadmin中簡體字翻的還滿怪的)<BR>(從下列地址發送的郵件不觸發自動回復...什麼是自動回復?)<BR><BR>3.http://www.abuse.net 測試open relay<BR>看起來應該是有關閉的<BR>Relay test 1<BR>>>> RSET<BR><<< 250 RSET? Well, ok.<BR>>>> MAIL FROM:<[email protected]><BR><<< 250 <[email protected]>, Sender ok<BR>>>> RCPT TO:<[email protected]><BR><<< 550 <[email protected]>, Recipient unknown<BR><BR>Relay test 2<BR>>>> RSET<BR><<< 250 RSET? Well, ok.<BR>>>> MAIL FROM:<spamtest><BR><<< 550 <[email protected]>, Sender unknown<BR><BR>Relay test 3<BR>>>> RSET<BR><<< 250 RSET? Well, ok.<BR>>>> MAIL FROM:<><BR><<< 250 <>, Sender ok<BR>>>> RCPT TO:<[email protected]><BR><<< 550 <[email protected]>, Recipient unknown<BR><BR>4.http://www.dnsstuff.com/ 測試dns功能<BR>回報都是pass.只有一項有錯誤<BR>ERROR: One or more of your nameservers reports that it is an open DNS server.<BR><BR>5.發現 server 25 port 有被攻擊.目前已經阻擋該來源 IP,不過依舊寄 yahoo 失敗 關於寄給 yahoo，我們已經放棄嘗試了。 @@~公司在用的server說... 跟 Yahoo 的攻防玩不完的，總是無法有完整的解決方案。你去信給他請他給個方便，他們也不會理你的。 YAHOO 的信箱的確是很多問題，也許是用的人太多了，所以YAHOO被垃圾信攻擊的頻率也多，以我們公司而言100封給YAHOO的信大概一天會被檔10到15封，所以WellanShi ，你可以觀察一下所有的SMTP LOG，站長說的是正確的。<br><br>解決辦法真的是沒有，SPF DOMAINKEY 非垃圾郵件名單，大概都裝過了，YAHOO還是會莫名其妙的擋IP，為何是確定是擋IP，可從下列的LOG 看出，這些LOG顯示出YAHOO 用各種理由阻擋信件的進入，連分析信件都不分析。<br><br>Tue 2007-05-15 00:24:55: <-- 421 Message from (211.21.191.230) temporarily deferred - 4.16.50. Please refer to <a href='http://help.yahoo.com/help/us/mail/defer/defer-06.html' target='_blank'>http://help.yahoo.com/help/us/mail/defer/defer-06.html</a> <br>Tue 2007-05-15 00:24:55: --> QUIT <br><br>Tue 2007-05-15 01:24:55: <-- 453 Mail from 211.21.191.230 not allowed - <br>Tue 2007-05-15 01:24:55: --> QUIT <br><br>Tue 2007-05-15 02:25:23: Transfer Complete. <br>Tue 2007-05-15 02:25:23: <-- 554 delivery error: dd Sorry, your message to [email protected] cannot be delivered. This account is over quota. - mta120.mail.tp2.yahoo.com <br>Tue 2007-05-15 02:25:23: --> QUIT <br>Tue 2007-05-15 02:25:23: <-- 221 mta120.mail.tp2.yahoo.com <br><br>Tue 2007-05-15 04:24:55: Sending <c:\mdaemon\queues\remote\retry\pd90000000136.msg> to <br>Tue 2007-05-15 04:25:11: Transfer Complete. <br>Tue 2007-05-15 04:25:11: <-- 451 Message temporarily deferred - <br>Tue 2007-05-15 04:25:11: --> QUIT <br>Tue 2007-05-15 04:25:12: <-- 221 mta162.mail.tp2.yahoo.com <br><br>終於成功寄出<br>Tue 2007-05-15 09:24:56: Sending <c:\mdaemon\queues\remote\retry\pd90000000137.msg> to <br>Tue 2007-05-15 09:25:12: Transfer Complete. <br>Tue 2007-05-15 09:25:12: <-- 250 ok dirdel <br>Tue 2007-05-15 09:25:12: --> QUIT <br>Tue 2007-05-15 09:25:12: <-- 221 mta194.mail.tp2.yahoo.com <br>Tue 2007-05-15 09:25:12: SMTP session successful (Bytes in/out: 332/779858) <br><br>再次被擋<br>Tue 2007-05-15 10:24:56: <-- 453 Mail from 211.21.191.230 not allowed - <br>Tue 2007-05-15 10:24:56: --> QUIT <br>Tue 2007-05-15 10:24:56: Socket connection closed by the other side (how rude!)<br><br>所以現在都通知公司同事，要寄給YAHOO 的信箱，就去YAHOO寄吧! 我想去爭論這個問題並沒有什麼意義吧?重點是可以得到解決方案<br>像隨風浮雲大大碰到的問題.我現在也碰到了.沒有告知任何原因,我的IP就是被擋了.當然目前也在跟yahoo溝通中.不過我看也是機會不大吧<br><br>這是您的mail嗎?WellanShi大大<br>[email protected] 小弟我想我大概知道原因... 因為也是我切身之痛！ 我猜想原因是出在FTTB給的"動態"固定IP.. 這些IP在解析的時候都會被標注為Dynamic IP. 很多mail server對於這種註記的IP通常都會認為是垃圾信伺服器(我猜的).. 因為我公司上個月也是用FTTB的IP架mail server.. 結果很多客戶的伺服器都不收我的信... 給你猜考囉！ 我也申請反解.. 沒用！ 再順道提一下，有人建議我試試看將SMTP設定smart relay到HiNet的SMTP (自家的FTTB應該不會檔吧).. 不知道是否可行，因為我公司的mail server無法中斷來實驗，可能的話請開版的網友幫忙試試看，可以的話請通知我. 我們公司確定是固三IP，然後其它公司都是固一IP，自行架設DNS，另設MX記錄，但是所有信箱伺服器寄給YAHOO，都是會莫名其妙的擋IP，所以是YAHOO的問題。<br><br>另外公司這麼多人寄信，如果都轉到HINET ，那遇到一些伺服器會判定寄件者和SMTP不符就退信，那更是無解。 可否公佈不被yahoo檔的徹底解決方案,造福一下人群啦
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