smtp load balancer???

[Michael Baird]

> Joshua Hirsh wrote:
> >>I am considering adding an SMTP load balancer in front of my 
> >>MS servers.
> >>
> >>Any suggestions?
> >
I purchased some Alteon's on Ebay a while back, they work well, and are
easy to work with and configure.

Regards
Michael Baird
>  
> > 
> > 
> > Hi Denis,
> > 
> >  Have you tried setting up multiple A records for one MX, instead of two equal value records? 
> > 
> > 
> > For example:
> > 
> > usherbrooke.ca.	IN	MX	5 smtpe1.usherbrooke.ca.
> > smtpe1		IN	A	132.210.244.90
> > smtpe1		IN	A	132.210.244.91
> > 
> > 
> >  It might be cheaper instead of buying a device to actually balance it out, but I don't have any data on how well this balances out the requests as compared to how you have it setup now (two equal value MX records).
> > 
> > 
> >  Regards,
> > 
> > -Joshua
> 
> Depends, we currently use that method and I am looking for a load 
> balancer because of the problems we are encountering.
> 
> The issue is that when a toaster goes down or needs to be taken off 
> line, simply removing it from DNS is not enough. Those %#$^& windows 
> machines refuse to update their DNS when it expires. If I have a HD fail 
> and want to take a server off line for repair, my windows clients begin 
> to fail connections. The current solution is for me to drive to the NOC 
> (50 miles) at 3am and do the work. If the work cannot be completed by 
> 7am, we tell our dialup clients to reboot their PC, and our commercial 
> clients to flush their DNS cache when they call, which they will.
> 
> I have a toaster removed from DNS now for over two weeks awaiting an OS 
> upgrade, and it is still handling thousands of messages a day. A good 
> load balancer will solve that problem.
> 
> DAve
> 
> ------------------------ MailScanner list ------------------------
> To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
> 'leave mailscanner' in the body of the email.
> Before posting, read the Wiki (http://wiki.mailscanner.info/) and
> the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).
> 
> Support MailScanner development - buy the book off the website!

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
'leave mailscanner' in the body of the email.
Before posting, read the Wiki (http://wiki.mailscanner.info/) and
the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).

Support MailScanner development - buy the book off the website!