Thanks Jeroen and Noel for suggestions.
I will go through postfix url, will update you.
--- On Wed, 30/6/10, Jeroen Geilman <jeroen@...> wrote:
From: Jeroen Geilman <jeroen@...>
Subject: Re: Subdomain
Date: Wednesday, 30 June, 2010, 2:58 AMOn 29-6-2010 16:28, Noel Jones wrote:
> On 6/29/2010 2:47 AM, ramesh wrote:
>> I would like to have suggestion, presently we have internet service& subdomain from ISP.
>> Ex: Domain: @...
>> Subdomain: @...
>> Email Id: me@...
>> This ISP charging more internet charges comparing to other ISP's, so i wanted to take different ISP services.
>> I have registered my own domain, so now i wanted to migrate to my domain.
>> I need suggestions, things to consider while migrating to my domain.
>> me@... to me@...
> The postfix setup depends on how your domain is currently configured. If your current domain is listed in mydestination, just add the new domain to mydestination.
> Otherwise, see
>> this also reduces spam traffic once we switch over to new email id's.
> Maybe temporarily, but don't bet on it long term.
All things being equal, no, having your own domain with a registered MX will not decrease the spam you see; quite the opposite.
I recommend you set up proper UCE controls in postfix, optionally adding a content filter such as amavisd-new.
Google for "postfix cheatsheet" to find a good description.