I think there may be a misunderstanding of how CF handles mail here. CF
simply generates the physical messages, and then "hands them off" to the
SMTP server. CF doesn't hand off mail very quickly (relative to the speed
of a full mailserver), and distributing the load over 10 CF servers will
make each of them do less work, thus increasing the speed that they can
spool the mail off to the SMTP server.
The load would really start to increase on the SMTP server much more than on
your individual CF servers, since that one SMTP server would be receiving
mail from 10 different CF servers. In effect you *are* using "an app that
can be centrally located that will handle this mail instead of asking 10
different CF Servers to do it". It's called an SMTP server.
If you fear that your SMTP server may get overloaded, then you may need to
look into getting more than one SMTP server to split the load. Since CF
doesn't spool off mail faster than 400 messages per minute, and you have 10
CF servers, the max rate your SMTP server will be receiving messages is
10*400 or 4000 messages per minute, though I doubt you'll actually reach
this number because all 10 CF servers would have to be sending tons of mail
all at the same time.
As I stated in my last message "Typically, mail starts failing in mass
because it's refused by the SMTP server, or because it can't reach the SMTP
server". As Bill pointed out, SMTP servers often refuse to accept mail
because of a bad email address, or a missing email address.
It would be a good idea to look through the mail in your undelivered folder
and see if they look like they have invalid settings, and you also should
look in the cfusion/logs/mail.log file to see what messages CF is giving
when the mail is refused. Most likely you will find that CF is logging
messages like "invalid recipient" (wrong email) or "cannot establish
connection to server" (CF cannot reach SMTP server on the network).
-Cameron
--------------------
Cameron Childress
elliptIQ Inc.
p.770.460.1035.232
f.770.460.0963
--
http://www.neighborware.com
America's Leading Community Network Software
> -----Original Message-----
> From: Lon Lentz [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, September 13, 2001 4:57 PM
> To: CF-Server
> Subject: RE: CFMail handling
>
>
> I have not done an analysis of the email that is building up,
> but I will.
> I need to get
> a better understanding of what is going on.
>
> One other question. We have 10 CF servers all generating email. Is there
> an app that can
> be centrally located that will handle this mail instead of asking 10
> different CF Servers
> to do it? I can see the potential for some real problems in the middle of
> the day when the
> emails start to increase in quantity.
>
>
> Lon Lentz
> Applications Developer & CyberEntomologist - Alvion Technologies
> DataWarehousing and List Sales - Market Your Lists on the Net!
> [EMAIL PROTECTED]
> 941-574-8600 Ext. 210
>
> > -----Original Message-----
> > From: Bill Poff [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, September 12, 2001 8:13 AM
> > To: CF-Server
> > Subject: RE: CFMail handling
> >
> >
> > I've discovered that a major reason for failed emails is a bad email
> > address.
> >
> > One thing that I do to fix this is to use the IsEmail tag right before
> > CFMail to validate the email address. If the address fails the
> > IsEmail test
> > I use a backup return address or don't send the message, whichever is
> > appropriate.
>
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