Email


Email is a crucial business tool, and we have answers to important questions about mail operations, blacklists and SPAM here to help you make the most of it, and to navigate around frequent issues.

 

How Does Email Work?

Email works using a combination of servers that transmit and store emails, which are read and composed by email clients. The recipients are identified by email addresses which consist of an identifier for a mailbox which is part of a particular domain.

  • Email ClientThis is the email program you use to write and then send emails. Examples include Outlook, Eudora and Thunderbird
  • Domain nameThis is the bit after ‘@’ in an email address. For example if I am sending an email to This email address is being protected from spambots. You need JavaScript enabled to view it. , the domain name is mydomain.ie
  • IP addressAn Internet Protocol (IP) address is the unique address (number) associated with the computer where the email is being sent. It's a bit like a telephone number for a computer. An IP address consists of 4 groups of numbers, separated by dots e.g. 192.168.244.21
  • Domain Name ServerThis is a computer which translates a domain name into an IP address
  • POP ServerThis is the computer (or server) where your emails are stored until downloaded by the email client.
  • SMTP ServerThis is the name of the computer (or server) through which your emails are sent out onto the Internet. Sometimes your email is sent through a number of SMTP servers before reaching its final destination.

Can IE Internet's system handle our volume of email?

  • Our system has been designed for scalability and currently handles millions of emails every month.

What do I do if I am on a blacklist?

  • If you have discovered you are on a blacklist, you need to find out whether you have a static or dynamic IP address. Most home, or Small office broadband connections get dynamic IP addresses. If you work as part of a larger organisation, or if you specifically asked for a static IP then you most likely have a static address. When in doubt you can contact your ISP.

  • If you have a dynamic IP, you can wait for your ip lease to run out, but as this could take a couple of days, it is not really practical. The best thing to do is to contact your ISP, as some providers have ways of changing your IP address quickly.

  • If you have a static IP address, it is safe to say that you have various configurations dependent on your IP address, and changing the IP address would cause further Headaches. If this is the case, you can try to have your address removed from the blacklist. You can contact the lists administrators, usually through their website, and explain your situation to them. Most are happy to remove you from the list if they feel you are not in the wrong.

How do I know if I am blacklisted?

  • If you think you may be blacklisted, either because your emails are not being delivered, and bounced back, or because you receive an error when sending, you can use the following steps to find out whether you are or not. First you need to know what your IP address is. This is your WAN or Internet IP address, not your local IP. The easiest way to find it out is to type "what's my IP into a browser". This will show a number separated by dots in the form of "127.0.0.1". This is your IP address. It is unique to your computer or network on the entire Internet.
  • Once you have your IP address, copy it, and then go to the following website: http://www.dnsstuff.com/tools/ip4r.ch?ip= Paste in your IP address and click lookup. A long list will appear, most will be white, some may be marked as yellow, which usually means the request timed out to that server, and if one or more entry is in red, then you are listed on a blacklist.

What does it mean if my IP address is Blacklisted?

  • Blacklisting is a method to cut down on the amount of spam you receive. Spam is sent from a computer, and if the computer is on the internet then it has an IP address. The logic is that if you blacklist the IP addresses that were used to send spam, then it will reduce the amount you get.
  • The only problem with this is that a lot of people do not have the same IP address all the time. Unless you ask for it specifically, your Internet Service Provider will issue you with a dynamic IP address.
  • This means that you have a new IP every couple of days or so. If the previous owner of the IP address was sending spam, either on purpose, or as a result of an infection from a virus, or Spam-bot, there is a chance that the IP address he was using was blacklisted. If you get that IP address, then you will be blacklisted, even though you have not sent any spam.

E-Mail Settings

Here are the key settings required to setup your email software for email services provided by IE Internet:

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