so why have these got their own mailserver? easier to run hostsed surely?<br clear="all">-- <br>Martin Hepworth<br>Oxford, UK<br>
<br><br><div class="gmail_quote">On 23 September 2011 11:50, Jonas <span dir="ltr"><<a href="mailto:jonas@vrt.dk">jonas@vrt.dk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">> Which translated means:<br>
> - put your MTAs on dedicated IP/s and do not share with gateway.<br>
> - setup log watching/alerts<br>
> - If you're corporate/Exchange don't allow OWA without being VPN'd or at least<br>
> use a non standard port.<br>
> - block port 25 outbound for all behind the gateway which is not an MTA (your<br>
> MTA is on dedicated IP)<br>
> - use outbound rating to minimize possible blasts.<br>
<br>
</div>All sound advice for enterprises, however the part about putting your MTA on a dedicated IP is just nonsense. Here in Denmark 90% of companies have less than 10 employees, so most just run on business adsl lines or similar smaller connections, where there is only 1 WAN ip.<br>
<br>
Who suddenly decided you need multiple WAN ip's to host a mail gateway?<br>
<br>
In my humble opinion its taking it way too far when you combine things that has nothing to do with mail with a mail blocking filter...<br>
<div class="im"><br>
<br>
<br>
Med venlig hilsen / Best regards<br>
<br>
</div><div class="im">Jonas Akrouh Larsen<br>
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TechBiz ApS<br>
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