使用 Telnet SMTP 來寄信

如何使用 Telnet 來測試 SMTP 通訊 - Microsoft
Telnet - SMTP Commands (sending mail using telnet)
RFC 821 Mail
RFC 821
RFC 1821

$ telnet
$ set localecho
$ open mailserver.hostname 25
220 mailserver.hostname Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at  Wed, 15 Jul 2009 15:12:59 +0800

$ HELO mailserver.hostname
250 mailserver.hostname Hello [192.168.0.1]

$ MAIL FROM:solnone@mailserver.hostname
250 2.1.0 solnone@mailserver.hostname....Sender OK

$ RCPT TO:solnone NOTIFY=success,failure
250 2.1.5 solnone@mailserver.hostname

$ DATA
354 Start mail input; end with .
Subject: Test Mail use telnet

Just test.
.

250 2.6.0 ... Queued mail for delivery

$ QUIT

W3Schools - Full Web Building Tutorials

W3Schools - Full Web Building Tutorials

DNS 檢測

// 在命令列下執行
C:\> nslookup
*** Can't find server name for address 192.168.1.1: Non-existent domain
*** Default servers are not available
Default Server:  UnKnown
Address:  192.168.1.1

// 更換 DNS Server
> server 168.95.1.1
Default Server:  dns.hinet.net
Address:  168.95.1.1

// 設定類型為 mail exchanger
> set type=MX
// 找 gmail.com 的 mail exchanger
> gmail.com
Server:  dns.hinet.net
Address:  168.95.1.1

Non-authoritative answer:
gmail.com       MX preference = 10, mail exchanger = alt2.gmail-smtp-in.l.google.com
gmail.com       MX preference = 50, mail exchanger = gsmtp163.google.com
gmail.com       MX preference = 50, mail exchanger = gsmtp183.google.com
gmail.com       MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
gmail.com       MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google.com

gmail.com       nameserver = ns1.google.com
gmail.com       nameserver = ns2.google.com
gmail.com       nameserver = ns3.google.com
gmail.com       nameserver = ns4.google.com
gmail-smtp-in.l.google.com      internet address = 64.233.163.27
gmail-smtp-in.l.google.com      internet address = 64.233.163.114
alt1.gmail-smtp-in.l.google.com internet address = 64.233.185.114
alt1.gmail-smtp-in.l.google.com internet address = 64.233.185.27
gsmtp163.google.com     internet address = 64.233.163.27
gsmtp183.google.com     internet address = 64.233.183.27
ns1.google.com  internet address = 216.239.32.10
ns2.google.com  internet address = 216.239.34.10
ns3.google.com  internet address = 216.239.36.10
ns4.google.com  internet address = 216.239.38.10
// 設定類型為 any
> set type=any
// 找 gmail.com 全部的資訊
> gmail.com
Server:  dns.hinet.net
Address:  168.95.1.1

Non-authoritative answer:
gmail.com       MX preference = 50, mail exchanger = gsmtp163.google.com
gmail.com       MX preference = 50, mail exchanger = gsmtp183.google.com
gmail.com       MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
gmail.com       MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google.com
gmail.com       MX preference = 10, mail exchanger = alt2.gmail-smtp-in.l.google.com
gmail.com       nameserver = ns1.google.com
gmail.com       nameserver = ns2.google.com
gmail.com       nameserver = ns3.google.com
gmail.com       nameserver = ns4.google.com
gmail.com       text ="v=spf1 redirect=_spf.google.com"
gmail.com       internet address = 64.233.171.83
gmail.com       internet address = 64.233.161.83
gmail.com       internet address = 216.239.57.83
gmail.com
        primary name server = ns1.google.com
        responsible mail addr = dns-admin.google.com
        serial  = 2006050800
        refresh = 21600 (6 hours)
        retry   = 3600 (1 hour)
        expire  = 1038800 (12 days 33 mins 20 secs)
        default TTL = 60 (1 min)

gmail.com       nameserver = ns1.google.com
gmail.com       nameserver = ns2.google.com
gmail.com       nameserver = ns3.google.com
gmail.com       nameserver = ns4.google.com
gsmtp163.google.com     internet address = 64.233.163.27
gsmtp183.google.com     internet address = 64.233.183.27
gmail-smtp-in.l.google.com      internet address = 64.233.163.27
gmail-smtp-in.l.google.com      internet address = 64.233.163.114
ns1.google.com  internet address = 216.239.32.10
>exit

TWNIC DNS 檢測服務 http://rs.twnic.net.tw/cgi-bin/dns.cgi

DNS列表-台灣區 http://tw.myblog.yahoo.com/ctdeo/article?mid=258
台灣各大ISP的DNS列表 http://forum.slime.com.tw/thread147629.html

網頁或郵件放入 Skype button

http://www.skype.com/share/buttons/
1. Enter your Skype Name 填入你的 Skype 帳號
…
4. Copy & paste this code
選擇用 Web HTML 或 Email HTML
copy 下來 paste 到 Web 或 Email 中

中文網址
http://www.skype.com/intl/zh-Hant/share/buttons/

Regular expression 規則運算式(正規表示)

http://msdn.microsoft.com/library/cht/default.asp?url=/library/CHT/jscript7/html/jsjsgrpregexpsyntax.asp
http://irw.ncit.edu.tw/peterju/webslide/re/
http://www.regular-expressions.info/
http://phi.sinica.edu.tw/aspac/reports/94/94019/
http://www.javaworld.com.tw/jute/post/view?bid=20&id=130126
http://java.sun.com/j2se/1.4.2/docs/api/java/util/regex/Pattern.html

Perl-compatible Regular Ex-pressions

Perl-compatible Regular Ex-pressions http://www.pcre.org/
Windows 版 http://gnuwin32.sourceforge.net/
安裝 Pcre for Windows 後，可以找到程式
C:\Program Files\GnuWin32\bin\pcregrep.exe
可將 C:\Program Files\GnuWin32\bin 加入環境變數 path 中
使用 pcregrep
Usage: pcregrep [OPTION]... [PATTERN] [FILE1 FILE2 ...]
例如要例出 a.txt 中有含數字的每一行
>pcregrep \d+ a.txt