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From Torsten Curdt <tcu...@apache.org>
Subject Re: about sending several emails in a batch
Date Wed, 20 Feb 2008 11:17:48 GMT
You mean something like this?

  EmailTransmission trans = new EmailTransmission();
  trans.setHostName("smtp.myserver.org");

  HtmlEmail email1 = new HtmlEmail();
  ...
  HtmlEmail email2 = new HtmlEmail();
  ...

  trans.addEmail(email1);
  trans.addEmail(email2);
  ..
  trans.send();

Sounds useful to me.

cheers
--
Torsten

On 20.02.2008, at 06:10, zheng hao wrote:

> hi all Commons Email dev,
>
> I found when i want to send several emails in one connection,  
> Commons Email
> doesn't help. It connects to the SMTP server per email, and it  
> spends more
> time on authentication than sending the mails themselve (most SMTP  
> server
> needs authentication). So I have to code on the javamail api directly,
> something like:
>
>         SMTPSSLTransport strans = (SMTPSSLTransport)  
> sess.getTransport();
>         strans.connect();
>         int num = 1000;
>         for (int i = 0; i < num; i++) {
>             SMTPMessage email = createMessage(sess, num);
>             strans.sendMessage(email, email.getAllRecipients());
>         }
>         strans.close();
>
> In my straightforward test, it saves me 2/3 of the time. So I think  
> it would
> be nice to add this kind of function into Commons Email, to make it  
> more
> useful. My suggestion is to extract a clean bean Email, which  
> contains all
> email dependent information, e.g. TO, CC, Subject, etc, but leaves  
> out all
> host/server dependent information, e.g. authenticator, host  
> address, host
> port, etc. After that, we can still provide simple convenience  
> method for
> those who only want to send one mail every time. And it is possible  
> to add
> methods like 'addEmail' to add several mails before sending, and  
> later on,
> when it is called 'send', we can send them in one SMTP connection.  
> Does it
> useful? Thank you all.
>
> Hao Zheng


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