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E-MAIL CLIENT

Z «ȑ ͈ ż Student: Yi-Rong _Du

Z «œ < Student: Chi-hung _Chen

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A Report Submitted to Department of Information Engineering Kun Shan University in Partial Fulfillment of the Requirements for the Degree of Bachelor in Information Engineering June 2009 Tainan, Taiwan, Republic of China

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1 . 1 ĤɊͿȖ¶Ω

ý 3 ̉Ñ ÿ ¤ Z ί ζ ²Ʊ H i ̠ˢ Ω< ʘ H ǥ ² Ȗ Ωϖ ķ Ä Ü ̠²

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1 . 2 ɋ Õ ο ź

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1 . 3 _ Ȃ ο ź

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š Ο ɾ Ϳ ź Ω< ʘ ŎB ȋ Ɖ ŮΩ²Java K ʁ R ʙ ȿɚ\ ˸ ˁʙ ɻĜȔ ϣ H Ĉ £ ͂ ÕȿɚI ί ą ˸ Ĉ £ ċ ΩΒ ̊ĝ ²ąȃ (Multithreading)· Ɂ Ȕ Đ ʯ ǻ ʖ ɻĜ̚ ɯ Ɓ ĜŰ ǩ [ I ]

SUNΩJavaȿɚ³ ´ Ɍ I Ʌ ͌ JavaȿɚΩʍ ɲ :

1. ʹ Ɗ (Simple)Ȃ ͈ ˷ ˊ ɻĜH ʁ Ůϧ Ʉ ̜ Ω̭ ͭ Ŏ˸ ƨ ɡ ¤ N Ωʁ ț 2. Κ Ñ \ ó Ω(Object-Oriented)Κ Ñ \ Ωģ Ű ² ǟ Ɖ ÿ · Ɂ ˁ [ Ə ΩǶ Ű Ϡ Ωķ Ǣ Ɠ ¬(Plug and Play)Å ²Κ Ñ \ ó ģ Ű Ω Ɖ ɲ 3. ǳ ĜΩ(Distributed)JavaĮ Ʊ ̄ Ü ΩɻĜȔ B Ȃ ͈ þ Ȗ HTTP ˁ FTP ʃ TCP/IP ķ ̫ ʨ ˫ Ĝ ͋ õ Java ƀ ¬ ɻ Ĝ

(Applications)˸ ÿ ǻ Á ̚ < Ĺ ʐ ʄ ¬Κ Ñ Ʊ č í ŀ ØURL Ĺ ʐ ʄ ¬ Ʊ ΄ Ρ Ɩ ɒ ɋ Õ(Local File System) 4. Ϟ ̯ ̜ Ω (Robust)¯ Java ̤ ˷ ˊ X ΩɻĜ˸ ÿ ąǟ ΁ Ϊ š Ŏʘ Į ʙ ͑ ˫ ̜ JavaȖC/C++Ű 1 H í ɲ ²JavaĮ Ʊ ̑ L ̓ P (Pointer Model) ʈ 0 ͘ ̦ c ßė Ȣ ˊ (Overwriting Memory)ˁ· Ɂ ό Φ (Corrupting Data)Ωi ˸ ̜ [ I ]

5. Ĕ Ü ̜ Ω(Secure)Javai Į ̇ Ʊ ̠ ˋ ΩQ ˱ (Interlocking) X # ¬˸ Į ȿ þ ɳ / ʠ Õ Ω ˁʷ ̧ š ñ Ωɯ «

6. ¾ ƌ I ½ ̜ Ω(Architecture Neutral)JavaΩͳ L ª « ǟ ʐ ƌ I ½ Κ Ñ ΩƖ ɒ ɡ Ĝ(Object File Format)ĵ ʄ ϣ ͳ ͘ϣ H ÿ ą ǟ Ĉ £ L I Ϊ š

7. i ; ϕ ̜ Ω(Portable)ɻĜȔ 6 ͅ ɋ ÕΩ Ņ Õ ˫ ` ɼ i ; ϕ Ω[ Ə Javaɢ ʘ Ū Į ċ Ωi ; ϕ ̜

8. Ω(Interpreted)Java L ˸ ά þ ÿ Ò Ů L Ϊ š Java ŧ ] ͘(Bytecodes)Ĵ ÿ ̆ š ɻĜĹ ʐ Ʉ Ʉ ̜ ΩO Ě ĵ ř ͅ ǥ ɵ ɻĜΩ̚ ɯ ØɻĮ ý 1 ΩƏ ʫ

9. ͟ ȿ ˸ Ω (High Performance)Javaŧ ] ͘ɨ ĺ þ ˸ ė ˧ Ǭ ģ [ ͘(Machine Code)

10. ąΪ š ȃ Ω (Multithreaded)Javaȿɚʘ Į ąƉ ͵ ť Ω\ ˸ ĵ ř ͅ Q Ϳ û ƀ ˸ Ɠ Ʉ Ϊ š š ñ ²Į Ə ʫ Ω

11. Ϳ Ū Ω (Dynamic)Java2C̠C++ȿɚȋ ʘ Į Ϳ Ū ̜ ȋ ˸ ú ƀ Ʉ ʝ ÿ Ò Ωǁ ļ JavaH ζ ú ɻĜȔ Ωȋ έ Ŏ ̲ Ɖ έ ͳ ɻĜ

2 . 2 JavaMail API

Ĺ 1 JavaMail API Lʐ ƌ Ĺ

JavaMail² Ʊ ¬ͅ | ½ ̉Ñ ɋ Õ̓ P Ω̴ ˥ APIAPIǤ ʆ Ʊ © ½ Ω x Ȗʨ ˫ ¾ ƌ i H ¬ʈ | ½ ̉Ñ Ȗ̫ Ȣ ͂ ɠ ƀ ¬ɻĜǲƪ i ¬ ʈ | ½ č

EudoraFoxmailMS Outlook Express ̃ Ω̉Ñ ¬" N £ ɻǟ Mail User Agent,

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Ωɠ ̼ JavaMail²SUNɯ ΩĈ £ ý 3 ̉Ñ Ωƀ ¬ɻǟ -[III] ă \ ɼ Ű ϔ ¬Ω̉Ñ ͂ ̼ ʨ ΩŔ ¤ ) ͼ ɸ B Ǥ ʆ Ȃ ͈ Ω) ͼ h γ ¬ ƪ Ÿ ¶ +

Ƀ Ȫ Į ė JDK] Ʈ ú Ĵ ʁ Ůϥ SUNΩˬ ) ǻ ː É ʡJavaMail΢ & Ñ ] ͘ Ĵ L ~ Ƀ ʁ ŮSUNΩJAF(JavaBeans Activation Framework )ƙ . JavaMailς H ˸ Îš 4

JavaMailʙ Κ Ɏ ɻĜ͘č javax.mail.Session //̉Ñ Ĺ ͵ ǥ £ javax.mail.Authenticator //Ĕ Ü Ɂ Ͷ javax.mail.Message //̉Ñ _ Ȃ ģ ˫

javax.mail.intenet.MimeMessage javax.mail.Part javax.mail.Multipart javax.mail.Address //ʯ ϣ ̉Ñ þ Ʒ

javax.mail.internet.InternetAddress javax.mail.internet.NewsAddress javax.mail.Store //ʯϣƖɒǀ

javax.mail.URLName javax.mail.Folder //ʯϣÑ·Ɂ

javax.mail.Transport

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ρ ̊ Lv ß ɋ Õ ¾ ƌ ²H JavaMailLAPIź ñ x Þ ¬JavaɻĜ ȿ ɚ [

Ə ŎD Ů ¬ʡ Ωʗ Ʊ ɋ Õ ñ SMTP Client

POP3 Client ý 3 ̉Ñɯ̼ Ĵ ß D Ů ¯ μ λý p ¯ SMTP Clientɯ̼ E-mailŗMail ServerŎħ λV ¯ POP3 Clienth ϥ Mail Server ħ E-mailu Ů v õ ĵ ʗ Ʊ

ɋ Õ Ʊ i H ά ¬Ɗ Ĵ ß ź ħ ɯý 3 ̉ÑΩͿ ź

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SMTP CLIENT[

SMTPʹƊ ̉Ñ͂ ę ʨ ˫` ɠ ̼ ̉ÑΩʣ ǲ ƪ ςʄ ¬Χ ͅ JavaMail

Ωɻǟ ȖZ ɐ ̠ λISPΩSMTP͒ ͽ Ǥ̆ š ķ ̫ ĵ Ʊ SMTP͒ ͽ Ǥς̉Ñ˧ ɯʡ ħ λΩSMTP͒ ͽ Ǥά ŗŰ ė ħ λķ Ø POP̠ λIMAPʨ ƿ ϣĵ ɸ H ʁ Ů SMTP͒ ͽ Ǥʄ ¬% , Ω̉Ñ˧ ɯŸ ²5 Ů ͱ Έ SMTP͒ ͽ ǤΩ͔ ģ

\SMTP͒ ͽ ǤΩģ\ȖJavaMailLAPIɌ Κ

POP3 CLIENT[

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ʄ ¬TCPΩ110Ĺ Υ ¤ ÿϔ ¬Ω²ËΘ̤ H ʹǠ ñPOP3POP3Y . ¬ Client/Server< ź ̓ Ĝ Clientė Ǡ ñl " Ǥ̃ ǲ ƪ * ϔ ʄ ¬ý p Ň ²ź ñl

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ͣ ̚ ˱ ʯ̌ ΩÐ £ [IV]

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ʨ řPOP͒ ͽ Ǥ̆ š ͣ IPþ Ʒ IPþ Ʒ ė ͣ X ʈ ̉Ñɻǟ ̚ ˠ ʄ ¬TCPʨ Ĺ ̉Ñ͒ ͽ ǤΩ110Ĺ Υ ú ñPOP͒ ͽ Ǥ²2 È Ğ Ω̤ H ÿ

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4 . 1 ʁ ț ͣ

Ƙ Û ʁ Ů Ʊ i ɾ SMTPˁPOP3ʨ ˫ΩMail Serverʈ̆ š ý 3 ̉ÑΩħ ɯ̤ H ρ ̊ D Ů ²H GoogleΩGmailͣ Mail ServerÿȻ ¢ + ̲ Û ʡ

GAMIL̚ < ɾ POP3Ω\˸

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ʙĔ ș ÿ č :

1. ς JavaMail JAF Ű ǥ L ɸ ς mail.jar activation.jar customizer.jarjmf.jarmediaplayer.jarmultiplayer.jarΤ ȹ ʡ

$C:\ProgramFiles\Java\jdk1.6.0\jre\lib\ext% 7

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Ĺ 3 ģ ˫ ǁ ļ Ò ̇

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[ Ĺ 4 έ ʺ CLASSPATH ɋ Õ Ò ̇ Ȗ ʙ Ò ̇ Ʀ

4 . 2 ģ Ű ͣ

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͋ \ɸ B Ǻ [ Ə ȖɻĜ ͪ ʐ õ ģ ñi H í Ʉħ μ ý 3 ̉ÑΩE-Mail Client

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ñ ȯ ; ˿ ΩMail Serverģ˫ˁʄ ¬λ·̫ ę ̤ H $ ̲ ςʗ ǟ ɋ Õ ΩClientǤģ˫ͪ ʐ õ ʈǤ ʄ ¬λħ ɯý 3 ̉ÑɄΩȿ [

[ [

Ĺ 7 SMTP Profile Ĺ 8 POP3 Profile 9

4 . 3 Ȼ ¢ Ű Ĥ

Ƙ Û Û ςSMTP ClientˁPOP3 ClientΩʄ ¬[ Ə ɻĜ v õ ɸ B Ȼ ¢ ² ƙ i ϔ í Ʉħ ɯý 3 ̉ÑȖȇ ʛ Ϊ š ɄΩʃ Ʉ̜ ɸ [ D ĩ ķ ĭ ̉Ñ

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[ Ĺ 9 Ĵ ß Ü ɻ Ĺ 1 0

ʄ ¬λËĳ ̚ < Ĵ ß Ʉʁ Û ʡ ģ˫(1)h ę SMTPȖPOP3ΩHOSTˁ POSTSSLʨ ˫Ωϖ ο ͘ ę Ǒ ɲ ğ ŧ Đ ĳ ̚ < ɄƱ i H Þ Ɖ

Τ ę ģ˫Ǒ i ğ o Ű ǩ (2)Dě š ɻ w(3)̠ μ (4)Ȗħ (10)\ ˸μ [ Ə i H ˷ ˊ έ ̉Ñ(5)ɸ [ ϔ ¬D ĩ (6)Ȗ [ Ɩɒ(7)Ñ͂ ̼ (8) ςĮ μ ÑǤ º (9)Ω˖ ɿ ˁƓ ̗ ħ ÑŅ Õ ğ o i ½ Ɠ ʱ ̉Ñ(11)̉ Ñ ħ Ǒ ģ ζ Į ħ ÑǤ º (12)Ω˖ ɿ ȖƓ ̗ ɸ B Į n (13)Ȗn (14) ʈʜ V ħ Ñ[

5 . 2 Ü ɻ Ĺ Ʌ ͌

1. ģ˫ ģ˫ʄ ¬λͣ SMTPPOP3LHostˁPortȖSSLʨ ˫Ωϖ ο ͘

2. ʹ͈ Ű ǩ ) ʄ ¬λŰ ǩ L< ʘ

3. š ɻ w i ŧ Đ ɻ Ñ* Ȃ ʡ ζ X ¤ Ǥ Ĥ ˖ ɿ

4. μ ğ o μ L\˸

5. ˷ ˊ έ ̉Ñ ͬ ħ Ñ D ĩ H Ñ_ Ȃ ʃ ?ŧ

6. ϔ ¬D ĩ i ă Û ŧ Đ ϔ ¬ΩD ĩ ɸ ÿ˷ ˊ έ ̉ÑɄɲ ğ [

7. [ Ɩɒ i ÿý 3 ̉ÑIέ ʺ Å ͘ Ñ

8. ͂ ̼ Ñ ɯ̼ ̉ÑL ̐

9. μ ÑǤ º ͂ ̼ ̉Ñģ \ ζ X ¤ Ǥ Ĥ L˖ ɿ ȖǤ º Ǻ

10. ħ

1 1

ğ o ħ L\˸

11. ħ ̉Ñ ħ ̉ÑL ̐

12. ħ ÑǤ º ħ ̉Ñģ \ ζ X ¤ Ǥ Ĥ L˖ ɿ ȖǤ º Ǻ

13. n ɲ ğ i ʜ V n ̉Ñ

14. n ɲ ğ i ʜ V n ̉Ñ

5 . 3 ģ Ű Ø ɻ Ȗ Β ̊

1. ËΘ

Ĺ 10 Ë Θ SMTP Client D[Ə

1 2

Ĺ 11 Ë Θ SMTP Client LĜ Κ ģ ˫

Ĺ 12 SMTP Client ͂ ę Ø ɻ L¡ Ú · Ɂ

1 3

Ĺ 13 Ë Θ POP3 Client D[Ə

Ĺ 14 Ë Θ POP3 Client LĜ Κ ģ ˫

Β ̊ Ȗ) ͼ : SMTP ClientĮ Ù º X > ͂ ̼ ̫ Ȣ Ÿ ÑY ̼ X ̲ ÿŧ Ʒ ģ

˫?ŧ [ ŧ Ʒ ͣ ΩSSLϖ ο ͘ E ˸V Ø Mail Serverμ ̼ ̉Ñ POP ClientɌ ͼ ϔ ħ Mail ServerǤΩý 3 ̉Ñʁ ʡ Gmail

Ωý 3 ͣ ̚ < POP3Ω\˸

1 4

Ë Θ[

Ĺ 15 Ë Θ Email Client LĜ Κ ģ ˫

Ĺ 16 Ë Θ Email Client LDŮ [Ə

Β ̊ Ȗ) ͼ : SMTP ClientˁPOP3 Client> i H Ň ʄ ¬ħ ɯ\˸Ÿ Ň 6 ͅ

Ʊ Ɖ ˖ ɿ ʁ ςʗ Ʊ ˖ ɿ ͪ v õ ó ʄ ¬λǤ ȿ

ËΘ[

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Ĺ 17 Ë Θ Email Client LDŮ [Ə

[ Ĺ 18 Ë Θ Email Client Lħ Ñ ƒ

1 6

Ĺ 19 Ë Θ Email Client LĜ Κ ģ ˫

Β ̊ Ȗ) ͼ > ςSMTP ClientˁPOP Clientv õ ÿí Ʊ ˖ ɿ ɸ B ςģ˫ ʗ Ʊ Ωŧ Ʒ ģ˫?$ ͪ v õ 5 ɯ« Ɍ ͼ ħ μ Ɍ ͼ í Ʉ̆ š ΩΛ

Ë| Θ[

Ĺ 20 Ë|Θ Email Client Lμ ƒ 1 7

Ĺ 21 Ë|Θ Email Client L͂ ̼ ģ \ Ǥ º

Ĺ 22 Ë|Θ Email Client Lħ Ñ ƒ

Ĺ 23 Ë|Θ Email Client Lħ Ñ Ǒ ģ Ǥ º

Β ̊ Ȗ) ͼ Ƶ ȇ SMTP ClientˁPOP Client> V i H í Ʉ̆ š ħ Ȗμ

Ωq ź Ÿ ) ʄ ¬λǤ q ź Ω [ \˸

1 8

ËR Θ:[

Ĺ 24 ËR Θ Email Client Lέ ʺ [ Ɩ ɒ \ ˸

Ĺ 25 ËR Θ Email Client L̚ < [ Ɩ ɒ ˖ ɿ

Β ̊ Ȗ) ͼ > [ Ñʜ V ̐ [ Ɩɒϔ ¬D ĩ Ű ǩ D

ě š ɻ w\Ɠ ̗ Ǥ º \˸

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Ɖ Ů ɻ Ĝ ͘ [

μ LɻĜ ͘ [

import java.util.*; import java.awt.Component; import java.security.Security; import javax.mail.*; import javax.mail.internet.*; import javax.activation.*; import javax.swing.JOptionPane;

class Send { protected static DataSource fds = null; protected static void sendmail() throws AddressException, MessagingException {

[ Properties props = System.getProperties(); ProfileDialog pd = new ProfileDialog(); final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory"; final String username = pd.jTextFieldUser.getText(); final String password = pd.jPasswordField.getText(); final String smtphost = pd.jTextFieldSmtpHost.getText(); final String smtpport = pd.jTextFieldSmtpPort.getText(); final String recipient = EmailClient.jTextFieldReceiver.getText(); final String From = username + "@gmail.com"; final String sendMsg = EmailClient.jTextArea.getText(); //_ & [ [

//ʯϣ6 ̜ Κ Ñ

Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); //ģ˫ď ] ͳ ͘ ñBIG5

props.setProperty("mail.mime.charset", "big5"); 2 0

props.setProperty("mail.smtp.host", smtphost); props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY); props.setProperty("mail.smtp.socketFactory.fallback", "false"); props.setProperty("mail.smtp.port", smtpport); props.setProperty("mail.smtp.socketFactory.port", smtpport); props.put("mail.smtp.auth", "true");[ [ try { //Session session = Session.getDefaultInstance(props, Session session = Session.getInstance(props, new Authenticator() {[

[ [ [ protected PasswordAuthentication getPasswordAuthentication(){ return new PasswordAuthentication(username, password); } });[ //| ½ έ Ω̉Ñ

Message msg = new MimeMessage(session); //ģ˫Form

msg.setFrom(new InternetAddress(From));

msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipient, false)); msg.setSubject(EmailClient.jTextFieldSubject.getText()); msg.setSentDate(new Date()); //| ½ ą _ Ȃ Multpart ̉ÑΚ Ñ

Multipart multipart = new MimeMultipart(); MimeBodyPart mbp = new MimeBodyPart();

2 1

//| ½ htmlɡ Ĝ _ Ȃ

mbp.setContent(sendMsg,"text/html;charset=big5"); //ς_ Ȃ [ Multpart̉ÑΚ Ñ multipart.addBodyPart(mbp);Ĵ ß Ŕ ¤ // [ Ɩɒ

mbp = new MimeBodyPart();

if(fds!=null){ mbp.setDataHandler(new DataHandler(fds)); mbp.setFileName(MimeUtility.encodeText(fds.getName(),

"Big5", "B")); //ς [ Ɩɒ_ Ȃ [ Multpart ̉ÑΚ Ñ

multipart.addBodyPart(mbp); } msg.setContent(multipart);//ř Multpart ̉ÑΚ Ñģ˫̫ Ȣ

Transport.send(msg); JOptionPane.showMessageDialog((Component) null, "̉Ñ͂ ̼ Ǒ ģ ", "̫ Ȣ ",

JOptionPane.WARNING_MESSAGE); EmailClient.jLabelStatus.setText("̉Ñ͂ ̼ Ǒ ģ ");

SoundEffects se = new SoundEffects(); se.SoundEffects(); Clear();//v ̉͘Ñ_ Ȃ fds = null;//v ͘ [ Ɩɒ

} catch(Exception e) { JOptionPane.showMessageDialog((Component) null, "̉ÑɌ ͼ ͂ ̼ ", "̫ Ȣ ",

2 2

JptionPane.WARNING_MESSAGE); } } protected static void Clear() { EmailClient.jTextFieldReceiver.setText(""); EmailClient.jTextFieldSubject.setText(""); EmailClient.jTextArea.setText(""); } } 2. ħ LɻĜ ͘

import javax.mail.*; import javax.mail.internet.*; import javax.swing.JOptionPane; import java.io.*; import java.security.*; import java.awt.Component; import java.util.Properties; import java.text.SimpleDateFormat;

public class Receive { private static String[] mFrom = new String[255]; private static String[] mDate = new String[255]; private static String[] mBody = new String[255]; private static String[] mSubject = new String[255]; private static int total; protected static Message[] messages; public static void ReceiveMail() throws Exception { ProfileDialog pd = new ProfileDialog();

2 3 final String pophost = pd.jTextFieldPopHost.getText(); final String popport = pd.jTextFieldPopPort.getText(); final String username = pd.jTextFieldUser.getText(); final String password = pd.jPasswordField.getText(); Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

//ģ˫Ʉ̜ ɡ Ĝ

SimpleDateFormat sd = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");

// ʯϣ6 ̜ Κ Ñ

Properties props = System.getProperties(); props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY); props.setProperty("mail.pop3.socketFactory.fallback", "false"); props.setProperty("mail.pop3.port", popport); props.setProperty("mail.pop3.socketFactory.port", popport);

//| ½ Session

Session session = Session.getInstance(props, null); URLName urln = new URLName("pop3", pophost, 995, null, username, password); Store store = session.getStore(urln); Folder inbox = null; SoundEffects se = new SoundEffects(); try { store.connect();

2 4 inbox = store.getFolder("INBOX"); inbox.open(Folder.READ_ONLY); FetchProfile profile = new FetchProfile(); profile.add(FetchProfile.Item.ENVELOPE); messages = inbox.getMessages(); inbox.fetch(messages, profile); EmailClient.jLabelMailTotal.setText("̉Ñͣ Ω̉Ñ̇ " +

Receive.messages.length); for (int i = 0; i < messages.length; i++) { // ̉Ñɯ̼ λ

String from = decodeText (messages[i].getFrom()[0].toString()); InternetAddress ia = new InternetAddress(from); mFrom[i] = ia.getPersonal() + '('+ ia.getAddress() + ')'; // ̉Ñ̑ ̊

mSubject[i] = messages[i].getSubject();

// ̉Ñɯ̼ Ʉ̜

mDate[i] = sd.format(messages[i].getSentDate());

//̉Ñ_ Ȃ

if(messages[i].isMimeType("text/*")) { mBody[i] = messages[i].getContent().toString(); } else { String disposition; BodyPart part; Multipart mp = (Multipart)messages[i].getContent();

2 5

int mpCount = mp.getCount(); for(int m = 0; m < mpCount; m++) { part = mp.getBodyPart(m); disposition = part.getDisposition(); if(disposition != null && disposition.equals (Part.ATTACHMENT)) { //saveAttach(part); } else { mBody[i] = part.getContent().toString(); }

} } } if(messages.length == 0) { EmailClient.jLabelMailStatus.setText("¶ + ̉Ñ"

+ (total) + " / " +messages.length); JOptionPane.showMessageDialog((Component) null, "Ȫ Į έ ̉Ñ", "̫ Ȣ ",

JOptionPane.WARNING_MESSAGE); se.SoundEffects(); } else { EmailClient.jLabelMailStatus.setText("¶ + ̉Ñ"

+ (total+1) + " / " + messages.length); EmailClient.jTextFieldReceiveSender.[setText( mFrom[total]); EmailClient.jTextFieldReceiveSubject.setText( mSubject[total]); EmailClient.jTextFieldReceiveDate.setText(

2 6

mDate[total]); EmailClient.jTextArea1.setText(mBody[total]); if(messages.length == 1||messages.length == 0) { EmailClient.jButtonArrowRight.setEnabled(false); } else { EmailClient.jButtonArrowRight.setEnabled(true); } JOptionPane.showMessageDialog((Component) null, "̉Ñ ħ Ǒ ģ ", "̫ Ȣ ",

JOptionPane.WARNING_MESSAGE); EmailClient.jLabelStatus.setText("̉Ñ ħ Ǒ ģ ");

se.SoundEffects(); } } finally { try { if(inbox!=null) inbox.close(false);[if(store!=null) store.close(); } catch (Exception e) { e.printStackTrace(); } } } protected static void mailNext() { try { if(total < messages.length-1) { total = total+1; EmailClient.jTextFieldReceiveSender.setText( mFrom[total]); EmailClient.jTextFieldReceiveSubject.setText( mSubject[total]); EmailClient.jTextFieldReceiveDate.setText(

2 7

mDate[total]); EmailClient.jTextArea1.setText(mBody[total]); EmailClient.jLabelMailStatus.setText("¶ + ̉Ñ"

+ (total+1) + " / " + messages.length); if(total == messages.length-1) {EmailClient. jButtonArrowRight.setEnabled(false); } if(total != 0) { EmailClient.jButtonArrowLeft. setEnabled(true); } } catch (Exception e) {} } protected static void mailPreview() { try { if(total != 0) { total = total-1; EmailClient.jTextFieldReceiveSender.setText( mFrom[total]); EmailClient.jTextFieldReceiveSubject.setText( mSubject[total]); EmailClient.jTextFieldReceiveDate.setText( mDate[total]); EmailClient.jTextArea1.setText(mBody[total]); EmailClient.jLabelMailStatus.setText("¶ + ̉Ñ"

+ (total+1) + " / " + messages.length); } if(total == 0) { EmailClient.jButtonArrowLeft.[setEnabled( false); } if(total != messages.length-1) { EmailClient.jButtonArrowRight.setEnabled(true); }

2 8

} catch (Exception e) {} } protected static String decodeText(String text) throws UnsupportedEncodingException { if (text == null) return null; if (text.startsWith("=?GB") || text.startsWith("=?gb")) text = MimeUtility.decodeText(text); else text = new String(text.getBytes("ISO8859_1"));

return text; } //base64 ͘ private static String base64Decoder(String s) throws Exception { sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder(); byte[] b=decoder.decodeBuffer(s); return(new String(b)); } private static void saveAttach(BodyPart part) throws Exception { String temp=part.getFileName();//ϣʡ V Ĉ £ Ω Ñô ď //h ʡ headerˁfooter

String s = temp.substring(11,temp.indexOf("?=")-1); //& Ñô ̃ Ň V Ø base64ͳ ͘ ,Ə ² ͘

String fileName = base64Decoder(s); System.out.println("Į Ñ:"+fileName);

InputStream in=part.getInputStream(); FileOutputStream writer=

2 9

new FileOutputStream(new File(fileName)); byte[] content=new byte[255]; int read=0; while((read=in.read(content))!=-1) { writer.write(content); } writer.close(); in.close(); } }

3 0

Ë ` ŝ [ Ĵ ß Ŕ ¤

6 . 1 ClientǤģ ˫

Ĵ ß Ëĳ < Ϳ Ʉʁ Û ʡ ə ΩƖɒ->ģ˫ L ζ ˺ X ģ˫ SMTPȖPOP3ΩHostȖPortH User InformationΩ˖ ɿ ĳ Ŕ ¤ ²H Gmailñ

Mail Serverģ˫Ǒ i ğ o ŧ Đ H ģ˫̠ ²̓ ]. Ŗ Ϳ Κ Ő ˖ ɿ

Ĺ 26 ģ ˫ ğ ̰

3 1

[ Ĺ 27 Client Ǥ ģ ˫ ̰ ¶

6 . 2 μ \ ˸

Ĵ ß ̚ ˠ ă ģÿμ ͣ Ω[ Ə μ λΩ?ŧ ζ ú ă ģΩģ˫ŎŖ

Ϳ Ǻ μ λΩͣ ŧ Ʒ Ù º h ʈÿħ λΩ?ŧ ý 3 ̉ÑΩħ Ñ

λH D ĩ Ȗ_ Ȃ ͬ ˊ Ǒ 4͂ ̼ ̉Ñ5̠ Ǯ 4Alt+S5ζ ς ̉Ñ̼ X ̼ X ζ ˺ X ̫ Ȣ ˖ ɿ ȖǤ Ĥ Ɠ ̗ Ǥ Ĥ ʄ ¬λ̉Ñ> ͂ ̼ Ǒ ģ L

4͔ ˫5i ϡ K q ź

Ĺ 28 ˷ ˊ Ñ _ Ȃ

3 2

[

Ĺ 29 ̉ Ñ ̼ X Ǥ º (Ʈ Ǥ Ĥ Ɠ ̗ )

6 . 3 ħ \ ˸

Û ς˖ ɿ ʡ 4ħ ƒ 5Ω[ Ə ɸ 4Ƙ Ç έ 5̠ Ǯ 4Alt+R5 ζ ̚ ˠ ó ʄ ¬λΩMail ServerȄ ʯέ ̉Ñ̉Ñħ ÑǑ ģ ζ X ¤ ̫ Ȣ ˖ ɿ ȖǤ Ĥ Ɠ ̗ ƣ έ ʄ ¬λ ə $ ζ Ù º ̉Ñ ħ Ǒ ģ Ŏÿk ə ζ X ¤ ¶ +

ħ ƒ ̤ ħ ʯΩ̉Ñ̇ ̎ Ȗ¶ + ʜ V ΩÑ²Ëƻ n ɸ B Į 4 n 5Ȗ4

n 5Ωʜ V ̐

Ĺ 30 Ƙ Ç έ Ω Ñ

3 3

[

Ĺ 31 ̉ Ñ ħ Ǥ º (Ʈ Ǥ Ĥ Ɠ ̗ )

[

Ĺ 32 ̉ Ñ ʜ V

6 . 4 ϔ ¬ D ĩ \ ˸

ÿ4ˊ έ 5Ω[ Ə 4ϔ ¬D ĩ 5ζ X ¤ ϔ ¬D ĩ ˖ ɿ Ý Į `

Ʊ ?ŧ i H ?ŧ ϔ Ʉ¬ΩD ĩ # Έ Ω4 5̐ Ʉk # Έ

3 4

Ωϔ ¬D ĩ ζ Ŗ Ϳ Â ʡ 4ˊ έ 5ΩD ĩ ?ŧ Ŏ 4ŧ Đ 5ζ Ŗ Ϳ ŧ Đ

Ωϔ ¬D ĩ ̠ 4Κ Ő 5ʈʐ Ȍ ˖ ɿ

Ĺ 33 ϔ ¬ Dĩ \ ˸ L ̐

[

Ĺ 34 ϔ ¬ Dĩ ğ ̰ [ ̐

3 5

6 . 5 [ Ɩ ɒ \ ˸

ÿ4ˊ έ 5Ω[ Ə 4 [ Ɩɒ5ζ X ¤ ʜ V ý p ɷ Ǘ ƖɒΩ̚

< ˖ ɿ ɲ ğ Ů ͂ ̼ ʗ ħ ÑλΩƖɒ 4̚ < 5ςX ¤ ğ o Ǥ Ĥ Ĝ ˖ ɿ

Ə ζ Ù º ƖɒÁ ș Ȗô Ǡ ó ʄ ¬λ ĳ ͔ Ɂ 4²(Y)5 [ ΩƖ ɒÁ ș ȖƖɒô Ǡ ζ Ù º X ÿ[ Ə Ω ə Ŏ 4Å ͘ Ñ5 Ǌ

[ ΩƖɒςė Å ͘Ŏ²[ Ə ə ζ X ¤ 4> Å ͘ [ Ɩɒ5Ω& ď Ǥ º

Ĺ 35 [ Ɩ ɒ L ̐

[ Ĺ 36 [ Ɩ ɒ LƖ ɒ ̚ < ğ ̰

3 6

[

Ĺ 37 ğ o ͔ ˫ Lğ ̰

[

Ĺ 38 [ Ɩ ɒ LÅ ͘ ̐

[

Ĺ 39 [ Ɩ ɒ LÅ ͘ Ǥ º

3 7

6 . 6 ʹ ͈ Ű ǩ \ ˸

̚ < Ĵ ß ÿ[ Ə ) ğ o < ʘ ->Ű ǩ ζ X ¤ Ʊ ʹ͈ Ű ǩ ) ʄ ¬λ̆ š ʹ͈ Î ǩ

[

Ĺ 40 ʹ ͈ Ű ǩ L\ ˸ [Ə

6 . 7 š ɻ w \ ˸

̚ < Ĵ ß ÿ[ Ə ) ğ o < ʘ ->š ɻ w ζ X ¤ Ʊ Dě š ɻ wɲ ğ Έ * Ȃ i H ÿk Έ ?ŧ ˊ ̦ ɻ 4ŧ Đ 5 ɲ ğ * Ȃ ζ

ȇ Ò ģ ˌ ŝ ď ̌ Þ ɲ ğ ĳ k Έ ?ŧ ζ Ŗ Ϳ Ù º X ɻ + ̤ ̦ ĭ ɻ ̰ ̠ ²

¬ Ω* Ȃ ę ɲ ğ 4Ç ¬ 5$ ζ X ¤ ķ ĭ ɻ ̰ Ŏ 4v ͘5ğ ̰

. ζ ςķ ĭ ɻ ̰ v ͘

[

Ĺ 41 š ɻ w L\ ˸ [Ə

3 8

Ë ŝ [ ʐ ε

Ə Ƭ Ƭ X ¤ Ģ ą ¿ E-mailΩĜ Κ Ĵ ß ó ʄ ¬λi H ɘ ͈ Ωħ ɯE-mail Ÿ ¶ + Y Į Ģ ą ʄ ¬λɃ ²ÿǻ Ɣ ̆ š E-mailΩħ ɯŎǲ ƪ Ʊ ²H ĵ ̌ ΩX

ɯɲ ģŰ Ŏĵ Ǫ E-mail Client²H JavaMailñ¾ ƌ ̤ ˷ ˊ D Ů v õ SMTP Client

ȖPOP3 ClientΩ\˸ȇ Ò 1 Ǿ ÿǻ Ɣ ħ ɯE-mailΩæ ŭ u Ů ʹƊ Ωƻ Ʊ ģ

˫H ̲ ̚ ̶ ǻ Ɣ Ʊ i H ɘ ͈ ΩÿĴ ß ħ ɯE-mail ɸ B [ ) ʄ ¬λÿħ ɯE-mailɄ̤ ʁ ¬ʡ Ωɼ \˸ˁ7 Ǥ º ʈ

Ǥ ʄ ¬λħ ɯE-mailΩȿ ˁƋ ̜ řͅ ρ ̊ Ω ʈȆ P i [ i ă Û ģ˫μ Ʉ̜ Ω\˸i ó ɋ Õ N

ȁ ʄ ¬λÿƉ Ů O * H ĩ Ø ɯ̼ E-mailH ħ \˸Ȗš ɻ wͪ ʐ õ ğ o š

ɻ w* Ȃ ς* ħ ÑǑ v 0 ǟ ) ʄ ¬λʜ V Ǽ ư ̉Ñ

Ά ō & ϐ

[I]YOYO,Yahoo!˓ ˰ Ņ u ɡ - JavaΩ[ ×

http://tw.myblog.yahoo.com/jw!8bajdGGBAwN9fRfAC2Y8hg--/article?mid=6 &prev=7&next=5 [II] ΋ δ ̜ ·̫ Ä Ü I - JavaMail APIÚ O ¡ Ú ͣ 1 Ü

http://tw-box.com/bbs/simple/index.php?t202721.html [III]wayne,¬JavaMailˊ ʹ͈ ý 3 ̉Ñɯ̼ ɋ Õ ,(2001-09-04). [IV] littlechenchenΩρ ? - ̉Ñ͒ ͽ SMTP/IMAPʨ [ ×

http://blog.csdn.net/littlechenchen/archive/2009/03/13/3987748.aspx

3 9