Julio Cesar Covolato put forth on 8/7/2010 12:37 AM:

> Is there anyone using postfix in cloud, like Amazon ec2?

Dunno about Postfix specifically, but there are/were many spammers operating
out of the Amazon cloud as well as the Rackspace cloud.  Even if they are
clean now, their reputation is still low due to prior traffic.

> My questions:
> Is this interesting?
> The pros and cons..
> Other clound sistem...
> Why and why not to cloud postfix.
> 
> Anyone?

No pros, only cons.  TINW wholesale block SMTP from Amazon's cloud,
Rackspace's cloud, etc.  Mail emitted from clouds and VPS servers at cheap
ISPs has a much higher chance of being blocked, delayed, etc than that from a
colo'd box at a reputable provider.

Due to the pricing structure of cloud and VPS services they are both
attractive to spammers, and the spammers care not if they cause the netblocks
they use to be scorched.  They simply then move on to another VPS provider in
search of "clean" cloud/VPS netblocks to spam from.

Clouds and VPS are fine for a few classes of applications.  SMTP mail is not
one of them.

-- 
Stan

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