A typical organization sends at least two very distinct classes of email messages: business email and marketing email.
Business email consists of all of the individual, personal messages sent by sales, support, billing and other departments to specific people. These messages are generally more time sensitive; it is very important that the recipients actually receive them; these messages should not be filtered by any kind of spam filtering software, if possible.
Marketing email messages are similar messages sent in bulk to many people at once. Examples of these include newsletters, notifications of blog updates, promotions and ads, status notices, etc.
In order for your business email to be as reliable as possible, the marketing email should be sent separately, through separate servers and maybe even on a separate domain name. Here we will look at why.
Read the rest of this post »