السلام عليكم
أنا بدرس كود لإرسال إيميل بالجافا
و في الكود بطلب smtp hostname
كيف ممكن أجيبه؟
(المطلوب جزء الكود الذي لونه أحمر)
[14 import com.jscape.inet.smtp.*;
15 import com.jscape.inet.mime.*;
16 import com.jscape.inet.email.*;
17 import java.io.*;
18
19 public class SmtpAttachmentExample extends SmtpAdapter {
20 public void sendMessage(String hostname, String to, String from, String subject, String body, String attachment) throws SmtpException,
21 IOException, MimeException {
22
23 // create new Smtp instance
24 Smtp smtp = new Smtp(hostname);
25
26 // enable debugging ... all output is sent to System.out
27 smtp.setDebug(true);
28
29 // capture SMTP related events
30 smtp.addSmtpListener(this);
31
32 // connect to mail server
33 smtp.connect();
34
35 // create new email message
36 EmailMessage email = new EmailMessage();
37
38 // set recipient address
39 email.setTo(to);
40
41 // set from address
42 email.setFrom(from);
43
44 // set subject
45 email.setSubject(subject);
46
47 // set body
48 email.setBody(body);
49
50 // add file attachment to message
51 email.addAttachment(new Attachment(new File(attachment)));
52
53 // send email message
54 smtp.send(email);
55
56 // disconnect from SMTP server
57 smtp.disconnect();
58 }
59
60 // capture connect event
61 public void connected(SmtpConnectedEvent evt) {
62 System.out.println("Connected to Smtp server: " + evt.getHostname());
63 }
64
65 // capture disconnect event
66 public void disconnected(SmtpDisconnectedEvent evt) {
67 System.out.println("Disconnected from Smtp server: " + evt.getHostname());
68 }
69
70 public static void main(String[] args) {
71 String hostname;
72 String to;
73 String from;
74 String subject;
75 String body;
76 String attach;
77 try {
78 BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
79 System.out.print("Enter Smtp hostname (e.g. mail.domain.com): ");
80 hostname = reader.readLine();
81 System.out.print("Enter To address (e.g. recipient@domain.com): ");
82 to = reader.readLine();
83 System.out.print("Enter From address (e.g. sender@domain.com): ");
84 from = reader.readLine();
85 subject = "iNet Factory Attachment Example";
86 body = "see attached image";
87 attach = "image.gif";
88 SmtpAttachmentExample example = new SmtpAttachmentExample();
89 example.sendMessage(hostname,to,from,subject,body,attach);
90 }
91 catch(Exception e) {
92 e.printStackTrace();
93 }
94 }
95 }
]
الكود كما نقل من المصدر
