Re: Which mail server?
I didn't understand exactly. what are you planing doing for Qmail ? this wrong road stabil and which mail server possble. did you test Postfix ? is very beatifull and strong..
Ozgur Karatas
Open Source Project Manager
CCNA & Network Engineer
ozgur (at) ozgurkaratas dot com -- http://www.ozgurkaratas.com
trdocmaster (at) dansguardian dot org -- http://www.dansguardian.org
> ----- Original Message -----
> From: "Mustafa Kutsal Ay" <master@iplikci.com>
> To: debian-isp@lists.debian.org
> Subject: Re: Which mail server?
> Date: Fri, 24 Feb 2006 17:46:12 +0200
>
>
> yes, its quite true. i am sure qmail has patches to do both of the works.
>
> but, it is also the problem itself.
>
> qmail has too much patches, after patching so many times it becomes unstable.
>
> postfix is not good at performance comparing to qmail (i mean
> slightly slower), but it can do the same things in the painless way.
>
>
> ps: and i dont ever know any patch that qmail does all deliveries
> at one smtp transaction.
>
>
>
>
> Mustafa Kutsal Ay
> master@iplikci.com
> sysAdmin @ kanal7
> Office: 212 612 9090 3220
> GSM : 532 676 9778 | 555 448 1213
> system admin, software engineer, radiesthesist
> weblog: www.iplikci.com/musti
> ----- Original Message -----
> From: Shane Chrisp
> To: debian-isp@lists.debian.org
> Sent: Friday, February 24, 2006 1:44 PM
> Subject: Re: Which mail server?
>
>
> On Fri, 2006-02-24 at 11:00 +0000, Cameron L. Spitzer wrote:
>
> > > Is qmail is good enough or do I have to choose postfix or exim? Which
> > > one and why?
> >
> > Qmail's got two problems that were enough for me to
> > replace it.
> >
> > 1. It doesn't know how to reject anything in the SMTP
> > cycle. It swallows everything and then barfs up the crap.
> > Generates a lot of backscatter. So much that you can get
> > blocked by AOL if some spammer spoofs them a lot.
>
> This is not quite true. There is patches and helper programs which do
> reject at the smtp level. Using ucspi-tcp allows the blocking of
> messages at the smtp conversation, and then combined with simscan you
> can also do filtering of spam and viruses and drop them at the smtp
> conversation level as well.
>
>
>
> > 2. It doesn't know how to bunch together multiple
> > recipients of the same message in the same domain.
> > So if you have 500 Yahoo subscribers on a mailing list,
> > it takes 500 separate processes and SMTP transactions
> > to deliver them. Yahoo will block you for that.
> > Postfix will collect them together and do one
> > SMTP transaction.
> >
>
> Though im not 100% certain on this one, I am fairly certain there is a
> patch for this as well.
>
> Shane
>
>
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Kai "Ozgur" Geek
Network Engineer
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