Junk-Mail, Spam and Blacklisting – Their Effects and Prevention Techniques
Many small to medium business owners suffer the pain of junk email and getting black-listed. Junk email is mail that arrives in your mail box from addresses you usually have no clue about promoting items or services you are not expecting. Getting your domain blacklisted prevents your email safely arriving at an email destination. If it does arrive it may usually be redirected to a Junk-mail box instead of the In-box.
There are three main techniques to prevent the above two problems.
1. Avoid subscribing your important private business email address for items that may really only interest you personally, and not necessarily improve your business. Open up a yahoo account for this pass-time purpose.
2. Invest in the setup of an easy to install and easy to manage mail server system if you have about five or more mail users.
3. Prevent non-mail-server traffic from communication in an email format to the internet as any spam software accidentally installed on any PC will generate email from your network and will put your company’s email at risk.
Preventing the Problem:
Technique 1 is self-explanatory. Kindly avoid subscribing to every fancy dating, promotion get-one-free shout out.
Technique 2. Spam generators need quick delivery of their thousands of messages. They usually give up delayed connections also called Simple Mail Transfer Protocol greetings. As you assess a mail server decision, see that whatever mail server you are about to buy supports anti-spam mechanisms, including a delay of SMTP greeting. This simply means that when two mail servers on different sides of the internet get exchanging, only real mail servers will wait a certain amount of time before giving up. Usually this is called SMTP Delay. Usually 15 to 30 seconds.
Technique 3. You may have to engage your local technical support or the help of your Internets service provider on this method. This only applies to corporations that have their own local mail server in their offices. If you’d like to know how to tell, simply confirm that despite your ISP confirm an internet breakdown, you can still send and receive mail to and from your office teams. Most corporations experience a symptom of mail bouncing back with an error message and a URL that point to a black list site. This implies your sending internet address is originating some mail that is coming from an infected PC and not from the relevant local mail server.
To solve this problem, we must setup a rule in our interface to that ISP that states that only the local address of the mail server is permitted to originate any mail from your local office network. This way by the time you realise you have a compromised computer, at least you can fix it without affecting your entire organisation getting mail bouncing back.
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