使用JavaMail连接到IMAP活动的Exchange Server
https://stackoverflow.com//questions/23024806
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我正在使用javaMail 1.5.1来连接到几个电子邮件帐户（不同的提供商等）。它看起来很完美，但我遇到了试图连接到几个问题的问题。两者似乎具有相同的反应。
给我问题的一个服务由APPTIX.com提供。正如我从他们的在线文档（第21页）SMTP / IMAP设置如下：
我已经为我的测试用户找到了用户和密码。我能够连接到SMTP，但不是imap。这是我连接到IMAP的代码
public static IMAPStore connectToImap(String host, int port, String username, String password) throws MessagingException {
Properties props = System.getProperties();
props.setProperty("mail.imap.sasl.enable", "true");
props.setProperty("mail.imap.starttls.enable", "true");
props.setProperty("mail.imap.auth.ntlm.disable", "true");
props.setProperty("mail.imap.auth.plain.disable", "true");
props.setProperty("mail.imap.auth.gssapi.disable", "true");
props.setProperty("mail.imap.ssl.enable", "true");
Session imapSession = Session.getInstance(props);
IMAPStore store = new IMAPStore(imapSession, null);
store.connect(host, port, username, password);
return store;
}
而且这里是执行连接到SMTP和IMAP的方法之后我得到的跟踪
DEBUG: setDebug: JavaMail version 1.5.1
DEBUG SMTP: useEhlo true, useAuth false
DEBUG SMTP: trying to connect to host "smtp.apptixemail.net", port 587, isSSL false
220 smtp.apptixemail.net Microsoft ESMTP MAIL Service ready at Fri, 11 Apr 2014 19:50:15 -0500
DEBUG SMTP: connected to host "smtp.apptixemail.net", port: 587
EHLO 10.58.0.246
250-smtp.apptixemail.net Hello [10.2.64.1]
250-SIZE 57671680
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
250 CHUNKING
DEBUG SMTP: Found extension "SIZE", arg "57671680"
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "BINARYMIME", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
STARTTLS
220 2.0.0 SMTP server ready
EHLO 10.58.0.246
250-smtp.apptixemail.net Hello [10.2.64.1]
250-SIZE 57671680
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
250 CHUNKING
DEBUG SMTP: Found extension "SIZE", arg "57671680"
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "BINARYMIME", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Attempt to authenticate using mechanisms: LOGIN PLAIN DIGEST-MD5 NTLM
DEBUG SMTP: AUTH LOGIN command trace suppressed
DEBUG SMTP: AUTH LOGIN succeeded
DEBUG: setDebug: JavaMail version 1.5.1
DEBUG IMAP: mail.imap.fetchsize: 16384
DEBUG IMAP: mail.imap.ignorebodystructuresize: false
DEBUG IMAP: mail.imap.statuscachetimeout: 1000
DEBUG IMAP: mail.imap.appendbuffersize: -1
DEBUG IMAP: mail.imap.minidletime: 10
DEBUG IMAP: disable AUTH=PLAIN
DEBUG IMAP: disable AUTH=NTLM
DEBUG IMAP: enable STARTTLS
DEBUG IMAP: enable SASL
DEBUG IMAP: trying to connect to host "imap.apptixemail.net", port 993, isSSL true
* OK The Microsoft Exchange IMAP4 service is ready.
A0 CAPABILITY
* CAPABILITY IMAP4 IMAP4rev1 AUTH=NTLM AUTH=GSSAPI AUTH=PLAIN CHILDREN IDLE NAMESPACE LITERAL+
A0 OK CAPABILITY completed.
DEBUG IMAP: AUTH: NTLM
DEBUG IMAP: AUTH: GSSAPI
DEBUG IMAP: AUTH: PLAIN
DEBUG IMAP: protocolConnect login, host=imap.apptixemail.net, user=XXX@YYY.com, password=<non-null>
DEBUG IMAP: SASL authentication command trace suppressed
DEBUG IMAP: SASL Mechanisms:
DEBUG IMAP: NTLM
DEBUG IMAP: GSSAPI
DEBUG IMAP: PLAIN
DEBUG IMAP:
2014-04-11 17:50:26.614 java[32026:1003] Unable to load realm info from SCDynamicStore
DEBUG IMAP: Failed to create SASL client, THROW:
javax.security.sasl.SaslException: Failure to initialize security context [Caused by GSSException: Invalid name provided (Mechanism level: Could not load configuration from SCDynamicStore)]
at com.sun.security.sasl.gsskerb.GssKrb5Client.<init>(GssKrb5Client.java:132)
at com.sun.security.sasl.gsskerb.FactoryImpl.createSaslClient(FactoryImpl.java:45)
at javax.security.sasl.Sasl.createSaslClient(Sasl.java:354)
at com.sun.mail.imap.protocol.IMAPSaslAuthenticator.authenticate(IMAPSaslAuthenticator.java:131)
at com.sun.mail.imap.protocol.IMAPProtocol.sasllogin(IMAPProtocol.java:765)
at com.sun.mail.imap.IMAPStore.login(IMAPStore.java:761)
at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:665)
at javax.mail.Service.connect(Service.java:345)
at test.Mailbox.connectToImap(MailboxUtils.java:561)
at test.TestUserPass.main(TestUserPass.java:470)
Caused by: GSSException: Invalid name provided (Mechanism level: Could not load configuration from SCDynamicStore)
at sun.security.jgss.krb5.Krb5NameElement.getInstance(Krb5NameElement.java:110)
at sun.security.jgss.krb5.Krb5MechFactory.getNameElement(Krb5MechFactory.java:80)
at sun.security.jgss.GSSManagerImpl.getNameElement(GSSManagerImpl.java:188)
at sun.security.jgss.GSSNameImpl.getElement(GSSNameImpl.java:428)
at sun.security.jgss.GSSNameImpl.init(GSSNameImpl.java:157)
at sun.security.jgss.GSSNameImpl.<init>(GSSNameImpl.java:127)
at sun.security.jgss.GSSManagerImpl.createName(GSSManagerImpl.java:123)
at com.sun.security.sasl.gsskerb.GssKrb5Client.<init>(GssKrb5Client.java:90)
... 9 more
DEBUG IMAP: SASL authentication failed
DEBUG IMAP: LOGIN command trace suppressed
DEBUG IMAP: LOGIN command result: A1 NO LOGIN failed.
Exception in thread "main" javax.mail.AuthenticationFailedException: LOGIN failed.
at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:684)
at javax.mail.Service.connect(Service.java:345)
at test.Mailbox.connectToImap(MailboxUtils.java:561)
at test.TestUserPass.main(TestUserPass.java:470)
我想知道为什么正在发生。我没有关于这不起作用的线索。我不知道它是否与GSSAPI异常有关，或者如果它是不同的......当您可以在我禁用的代码中可以禁用ntlm和plain（如 javamail docs ）但没有。
解决方案
我已经解决了这一点，甚至它也不涉及代码中的问题，我想在这里记录它为什么它失败了。
似乎是我使用的imap主机（imap.apptix.com）只是为了Outlook，但它不适用于JavaMail。我有关于该服务的更多信息，并将IMAP.CollaBiationShost.Net作为Thunderbird的IMAP主机。我在我的代码和繁荣中尝试过它。
此外，我想指出GSSexception只是一个警告而不影响最终结果。我也得到了成功的身份验证。
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