why so many pop3 and imap ports ?

Dear list,

Kolab-bootstrap reports

KOLAB BOOTSTRAP

Check for running webserver on port 82
Check for running webserver on port 447
Check for running imap server on port 143
Check for running imap server on port 220
Check for running imap server on port 585
Check for running imap server on port 993
Check for running pop3 server on port 109
Check for running pop3 server on port 110
Check for running pop3 server on port 473
Check for running pop3 server on port 995

I wounder why so many imap and pop3 ports ? 4 imap and 4
pop3, any idea ?
thanks

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On Monday 18 December 2006 22:11, JOYDEEP wrote:
> Dear list,
>
> Kolab-bootstrap reports
>
> KOLAB BOOTSTRAP
>
> Check for running webserver on port 82

HTTP (Sometimes used)

> Check for running webserver on port 447

I do not know for sure ... But I assume it is sometimes used
for HTTP + 
SSL ... I can not say for sure.

> Check for running imap server on port 143

IMAP

> Check for running imap server on port 220

IMAP3

> Check for running imap server on port 585

IMAP4 + SSL (Use 993 instead)

> Check for running imap server on port 993

IMAPS

> Check for running pop3 server on port 109

POP2

> Check for running pop3 server on port 110

POP3

> Check for running pop3 server on port 473

hybrid-pop ... I am not familiar with this.

> Check for running pop3 server on port 995

POP3 + SSL

>
> I wounder why so many imap and pop3 ports ? 4 imap and
4 pop3, any idea ?
> thanks


The short answer is checking for all standard services ...
and even some not 
so common ones as well.



Andy

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On Tuesday 19 December 2006 07:20, Andrew J. Kopciuch wrote:
> The short answer is checking for all standard services
... and even some
> not so common ones as well.

The idea of the check (as far as I can see) is to find out 
if a service is running that does something similiar to
Kolab Server
annd could possibly conflict.

Kolab Server itself does not open all these ports by
default.
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