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From Kiran Badi <ki...@poonam.org>
Subject Re: Can someone suggest mail some opensource mail server which works well with Tomcat.
Date Tue, 12 Jun 2012 00:09:47 GMT
On 6/10/2012 1:49 AM, André Warnier wrote:
> Kiran Badi wrote:
>>
>> Any feedback on apache james ?
>>
>>> I've never used it, so I can't comment. What I would ask is: why are
>>> you are specifically looking for a Java-based mail server?
>>>
>> I was looking for open source server ,capable for serving atleast 5k 
>> mails daily to begin with.Since I am using java api, I am under 
>> impression that java based mail servers will have support for java 
>> api's.
>>
>
> Kiran,
>
> Let me try to explain again what several other people here have tried 
> to explain to you already.
>
> There are two different and separate things here :
>
> 1) an email server, capable of
> - sending out the emails that your application is composing, toward 
> email recipients that are "somewhere else"
> - receiving emails coming from other senders and destined to some 
> local "email mailbox", and putting these emails in that mailbox, so 
> that a local recipient can read them when they want
>
> 2) an interface library, which provides an API that makes it easy for 
> your application to
> - compose emails that you want to send out; and forward these emails 
> to the email server, so that it can send them out
> - connect to a mailbox, to read received emails that are waiting for 
> someone to read them; and maybe parsing these emails, to extract 
> something out of them; and maybe to forward one of these emails to 
> some other mailbox.
>
> (1) is a separate package (like sendmail, exim4, courier, and several 
> others).  You install it, configure it and run it as a daemon.  Then 
> you create "email accounts" with that email server, so that it would 
> have "email mailboxes" with "email addresses" to which external 
> people/programs can send emails.
> This package can be written in any language, it does not matter; your 
> programs will not directly call the internal functions of this email 
> server, so it will make no difference whether it is written in Java or 
> not.
>
> (2) is an API library, and for that one it will matter what language 
> it is written in, because your programs will need to call functions of 
> this library, to send outgoing emails or to read incoming emails that 
> are sitting in one of the email server's mailboxes.
>
> Graphically :
>
> (your.program <===> email library) <---- SMTP or POP3 or IMAP --> 
> email server <> Internet
>
> <===> are calls from your program, into functions of the library
> <---> is a TCP/IP connection between that library and some email 
> server, and the "language" used over that connection is SMTP or POP3 
> or IMAP
>
> It is similar to what you would use if your program needed to talk to 
> another webserver:
>
> (your.program <===> HTTP Client library) <--- HTTP or HTTPS --> web 
> server
> It does not matter if the web server is an Apache httpd, IIS, Tomcat 
> or www.google.com, or whatever language that webserver is written in, 
> or if it is local or remote.
>
> Similarly, it does not matter which email server you are going to 
> use.  It just needs to support the email protocol you want to use and 
> which your library supports.
>
> The /library/ is what matters.
> And for Java, the one that comes to mind first is Javamail.
> (It can help you composing ans sending emails; but I do not know if it 
> can /read/ incoming emails).
>
>
>
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>
Thanks Andre. I am clear on what I want and thanks for clarifying it.


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