postfix java mail VERP

ygzq

I have a java mail client which sends mails using postfix with VERP enabled.

In the client side, how to code (using java.mail.*) to make full use the postfix's VERP capability please?

Any help is greatly appreciated.

Please mail: ygzq@jdh-group.biz

gadfly

JavaMail很多命令都没有实现。

不过你可以用其它的类库。

给你介绍几个。
MMBase Sendmail interface using JavaMail
http://www.mmbase.org/archive/developers/msg03951.html

http://www.goodserver.com/smtp-ssdk/apidocs/overview-tree.html

ygzq

原帖由 "gadfly" 发表：
JavaMail很多命令都没有实现。

MMBase Sendmail interface using JavaMail
http://www.mmbase.org/archive/developers/msg03951.html

   


It said nothing about VERP either.

     
http://www.goodserver.co..........

   

The above link is broken.


However, thank you very much indeed.

gadfly

It said nothing about VERP either.

？？？not the same page?
I pasted the metheod about VRFY.

1. 
   
2.     public String verify(String name) {
   
3.         String anwser="";
   
4. 
   
5.         /** Connect to mail-host **/
   
6.         if (!connect(smtphost,25)) return "Error";
   
7. 
   
8.         try {
   
9.             out.writeBytes("VRFY "+name+"\r\n");
   
10.             out.flush();
    
11.             anwser = in.readLine();
    
12.             if(anwser.indexOf("250")!=0)  return "Error";
    
13. 
    
14.         } catch (Exception e) {
    
15.             log.error("Sendmail verify error on: "+name+". "+e);
    
16.             return "Error";
    
17.         }
    
18.         anwser=anwser.substring(4);
    
19.         return anwser;
    
20.     }
    
21. 
    

复制代码

http://www.mmbase.org/archive/developers/msg03951.html

ygzq

VERP not VRFY

It is now resolved.

For detail, please visit my forum.

Thank you again.

gadfly

啊，确实是我的问题。没看清楚。

你需要在客户端支持VERP功能？通过设置from不行么？

给你收集了一些关于VERP的资料，你看看有没有作用？

http://www.ultraviolet.org/archive/djb-ezmlm.2000/1436.html
http://java.sun.com/products/javamail/FAQ.html
http://cr.yp.to/proto/verp.txt

http://ccm.redhat.com/bboard-archive/acs_design/0003hb.html
http://www.ietf.org/rfc/rfc1211.txt

The fundamental problem in managing a large mailing list is matching
   bounce messages to subscription addresses.

   Often a bounce message refers to a failing address that does not
   appear on the mailing list. One of the mailing list subscribers is
   forwarding messages to that address. Which subscriber? As the list
   grows, this question becomes more and more difficult to answer.

   Sometimes a bounce message doesn't identify the address that failed.
   On occasion it doesn't even include a copy of the original message.
   See RFC 1211 for an extensive collection of horror stories.

上面是从VERP的draft中摘下来的，说明以前的缺陷，由此引出VERP
上面的意思似乎说mail list中有可能有错误地址，某个subscriber发信的时候出现bounce，需要知道这个subcriber(发信人)的地址，但是不太好解。
我在想,list一定要将信bounce到原发信者么？似乎没有必要亚，发给list-admin应该就可以了。
谁帮我解解惑？