Sending to multiple email servers

[Ugo Bellavance]

> -----Message d'origine-----
> De : Howard Yuan [mailto:Howard.Yuan at VALENCE.COM] 
> Envoyé : 2 avril, 2004 19:02
> À : MAILSCANNER at JISCMAIL.AC.UK
> Objet : Re: RE : Sending to multiple email servers
> 
> 
> >>> ugob at CAMO-ROUTE.COM 4/2/2004 15:55:28 >>>
> > -----Message d'origine-----
> > De : Howard Yuan [mailto:Howard.Yuan at VALENCE.COM] 
> > Envoyé : 2 avril, 2004 18:52
> > À : MAILSCANNER at JISCMAIL.AC.UK 
> > Objet : Sending to multiple email servers
> > 
> > 
> > Hello all.
> > 
> > I currently have my MailScanner set up to receive mail for anything
> > going to mydomain.com. Its configured to receive the email, 
> > scan it for
> > viruses and spam, then send it off to my main mailserver, which
> > distributes the mail to my users. I have three mailservers 
> > (in case one
> > goes down). I was wondering if its possible to set up the 
> MailScanner
> > to...well, what I'm worried about is if my main mailserver 
> goes down.
> > Then MailScanner will have no where to send the email. Normally, a
> > mailserver would scan through the mx records and go to the 
> next server
> > listed to try to send the email before it sets it aside for retry. I
> > would like MailScanner to do something equivalent, where 
> it'll try to
> > send it to one mailserver, if that fails, to try another one, 
> > and so on
> > and so forth before it gives up. Any ideas? Thanx in advance.
> 
> The way to do this is to use MX records.
> 
> You set your main MailScanner server as primary MX and 
> another server as backup MX.
> 
> If the primary MX is down, mail is automatically redirected 
> to your backup MX.
> 
> What I don't know is how to configure to make the backup MX 
> send mail back to the primary for processing...
> 
> Ugo
> *-----
> 
> Hai, thats how our mail servers are originally set up. But 
> now with a mailscanner machine, I'd like it to do the same 
> thing. What I have planned for the company is to put in two 
> MailScanner machines (in case the primary one goes down for 
> some strange reason), then I'll have a backup. But then I 
> want the MailScanner machines to be able to go down a list or 
> so. I know there are some settings where you can put in a 
> filename which contains a list of servers...but thats for 
> MailScanner. I guess what I'm trying to do would probably be 
> a setting in Postfix, right?

What you mean is that you want your mailscanner machines to deliver to a primary internal server and if it is down, to a secondary internal server?
> 
> Howard
>