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Java > Open Source Codes > org > jsmtpd > plugins > deliveryServices > SMTPRelay


1 /*
2  *
3  * Jsmtpd, Java SMTP daemon
4  * Copyright (C) 2005 Jean-Francois POUX, jf.poux@laposte.net
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19  *
20  */

21 package org.jsmtpd.plugins.deliveryServices;
22
23 import java.net.Inet4Address JavaDoc;
24 import java.net.InetAddress JavaDoc;
25 import java.util.ArrayList JavaDoc;
26 import java.util.Iterator JavaDoc;
27 import java.util.List JavaDoc;
28
29 import org.apache.commons.logging.Log;
30 import org.apache.commons.logging.LogFactory;
31 import org.jsmtpd.config.ReadConfig;
32 import org.jsmtpd.core.common.PluginInitException;
33 import org.jsmtpd.core.common.delivery.FatalDeliveryException;
34 import org.jsmtpd.core.common.delivery.IDeliveryService;
35 import org.jsmtpd.core.common.delivery.TemporaryDeliveryException;
36 import org.jsmtpd.core.mail.Email;
37 import org.jsmtpd.core.mail.Rcpt;
38
39
40 /**
41  * Not tested yet
42  * @author Jean-Francois POUX
43  */

44 public class SMTPRelay implements IDeliveryService {
45     
46     private Log log = LogFactory.getLog(SMTPRelay.class);
47     private List JavaDoc<Inet4Address JavaDoc> smtpServers = new ArrayList JavaDoc<Inet4Address JavaDoc>();
48     private String JavaDoc smtpHostName;
49     private int connectionTimeout=30;
50     private String JavaDoc login;
51     private String JavaDoc password;
52     private String JavaDoc authMethod;
53     private int smtpPort = 25;
54     private boolean lmtp;
55     
56     public void doDelivery(Email in, List JavaDoc<Rcpt> rcpts) {
57         Rcpt first = (Rcpt) rcpts.get(0);
58         String JavaDoc domain = first.getEmailAddress().getHost();
59         
60         log.info("delivering mail from " + in.getFrom().toString() + " of batch " + domain);
61         
62         // Query DNS, for each DNS try send message.
63

64         if (smtpServers.size() == 0) {
65             log.warn("Can't deliver to domain" + domain + ", no SMTP relay set");
66             // Mark all rcpt as error fatal
67
for (Iterator JavaDoc iterator = rcpts.iterator(); iterator.hasNext();) {
68                 Rcpt oneRcpt = (Rcpt) iterator.next();
69                 oneRcpt.setDelivered(Rcpt.STATUS_ERROR_FATAL);
70                 oneRcpt.setLastError("No smtp relay servers set");
71             }
72             return;
73         }
74         log.info("using " + smtpServers.size() + " smtp relays");
75         for (Iterator JavaDoc iter = smtpServers.iterator(); iter.hasNext();) {
76             InetAddress JavaDoc element = (InetAddress JavaDoc) iter.next();
77             log.debug("trying " + element.toString());
78             SmtpSender sender;
79             if (authMethod!=null)
80                 sender = new SmtpSender(smtpHostName, in, (Inet4Address JavaDoc) element,smtpPort, rcpts,connectionTimeout,authMethod,login,password);
81             else
82                 sender = new SmtpSender(smtpHostName, in, (Inet4Address JavaDoc) element, smtpPort, rcpts,connectionTimeout);
83            if (lmtp) {
84                sender.setHelloCommand("LHLO");
85            }
86             try {
87                 sender.doDelivery();
88                 break; // if delivery is ok, do not resend !
89
} catch (TemporaryDeliveryException e) {
90                 log.debug( "Temporary delivery error with " + element.toString());
91                 // Mark all rcpt as error not fatal
92
for (Iterator JavaDoc iterator = rcpts.iterator(); iterator.hasNext();) {
93                     Rcpt oneRcpt = (Rcpt) iterator.next();
94                     oneRcpt.setDelivered(Rcpt.STATUS_ERROR_NOT_FATAL);
95                     oneRcpt.setLastError("Temporary delivery error while delivering to domain: "+domain+" using relay "+element.toString());
96                 }
97             } catch (FatalDeliveryException e) {
98                 log.debug("Permanent delivery error with " + element.toString());
99                 // Mark all rcpt as fatal
100
for (Iterator JavaDoc iterator = rcpts.iterator(); iterator.hasNext();) {
101                     Rcpt oneRcpt = (Rcpt) iterator.next();
102                     oneRcpt.setDelivered(Rcpt.STATUS_ERROR_FATAL);
103                     oneRcpt.setLastError("Fatal delivery error while delivering to domain: "+ domain);
104                 }
105             }
106         }
107     }
108
109
110     public String JavaDoc getPluginName() {
111         return "SMTP Relay delivery plugin";
112     }
113
114
115     public void initPlugin() throws PluginInitException {
116         smtpHostName = ReadConfig.getInstance().getLocalDomain();
117     }
118
119
120     public void shutdownPlugin() {
121
122     }
123
124     public void setRelay (String JavaDoc relay) throws Exception JavaDoc{
125         smtpServers.add((Inet4Address JavaDoc)Inet4Address.getByName(relay));
126     }
127
128
129     public void setAuthMethod(String JavaDoc authMethod) {
130         this.authMethod = authMethod;
131     }
132
133
134     public void setLogin(String JavaDoc login) {
135         this.login = login;
136     }
137
138
139     public void setPassword(String JavaDoc password) {
140         this.password = password;
141     }
142
143     public void setSmtpPort(int smtpPort) {
144         this.smtpPort = smtpPort;
145     }
146
147
148     public void setLmtp(boolean lmtp) {
149         this.lmtp = lmtp;
150     }
151
152     
153 }
154
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