Download E-books JavaMail API PDF

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By Elliotte Rusty Harold

Send and obtain e mail from Java functions through the use of the JavaMail API. With this concise e-book, you’ll how to speak with current SMTP, POP, and IMAP servers, and the way to jot down your own.

Whether you want to construct an email-centric software like a mailing record supervisor or just upload electronic mail notification to a bigger product, JavaMail is the reply. full of code examples, this e-book indicates you ways JavaMail helps you to stay away from low-level protocol info, so that you can specialise in what you certainly are looking to say in a message.

  • Send, obtain, and shop electronic mail with POP3 and IMAP
  • Add password authentication on your programs
  • Manage mailboxes and accounts
  • Download mail attachments
  • Respond to asynchronous e-mail events
  • Design protocol-independent electronic mail programs

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Web (Postfix) with ESMTP identity C036A7630E for ; Wed, 2 Dec 2009 07:54:58 -0500 (EST) Mime-Version: 1. zero X-Sender: elharo@luna. oit. unc. edu Message-Id: Date: Wed, 2 Dec 2009 06:45:52 -0500 To: eharold@utopia. poly. edu From: "Dr. Mickel" (by approach of Elliotte Rusty Harold) topic: Breath RX items now to be had on-line! Sender: elharo@ibiblio. org Content-Type: text/plain; charset="us-ascii" ; format="flowed" X-UIDL: 40fa8af2aca1a8c11994f4c56b792720 prestige: RO content material all the things has content material that may be represented as a series of bytes. for example, in an element that’s an easy electronic mail message, the content material is the physique of the message. even if, in multipart messages, this content material may possibly itself comprise different components. The content material of every of those components should be represented as a series of bytes. additionally, this series of bytes might symbolize a few extra particular content material style, reminiscent of a uuencoded GIF photograph or a Base64-encoded WAV audio clip. studying the contents of the half The half interface announces equipment for opting for a part’s MIME content material style. The getContentType() process returns the MIME content material form of the half as a string; for instance: text/plain; charset="us-ascii"; format="flowed". It returns null if the content material variety can’t be decided: public String getContentType() throws MessagingException The isMimeType() process returns actual if this half has the desired MIME style and subtype. extra parameters, corresponding to charset, are overlooked: public boolean isMimeType(String mimeType) throws MessagingException The half interface additionally pronounces numerous tools that go back the content material as quite a few varied Java items, together with InputStream, String, DataHandler, and extra. The getInputStream() technique returns an InputStream from which the part’s content material should be learn: public InputStream getInputStream() throws IOException, MessagingException If the part’s content material has been encoded in a few way—for instance, Base64-encoded—then the InputStream reads the decoded content material. The JavaMail API helps most typical encodings. one other threat is to request a DataHandler for the content material with the getDataHandler() technique. The DataHandler classification comes from the Java Activation Framework. It pronounces how you can support make a decision what to do with the content—for example, via discovering the suitable Java bean or helper software to demonstrate the content material: public javax. activation. DataHandler getDataHandler() throws MessagingException a 3rd threat is to request the content material as an unspecified Java item utilizing the getContent() strategy: public item getContent() throws IOException, MessagingException this is often resembling the getContent() approach to java. web. URL. even though, instead of counting on the poorly designed content material handler mechanism, this getContent() approach makes use of the Java Activation Framework, so the habit is a bit more truly distinctive. as a rule, if the content material variety is text/plain, a String could be back.

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