Mailing lists can have thousands of recipients, and as a result spam email message recognition services will be exposed to these messages enough to alter the results of a query. Some commercial email is only sent to subscribers who opt-in to a list, so the email is not spam, but is in fact desired email. However, the rules in message recognition services may falsely identify a desired or valid bulk email as spam. This is because the content can sometimes look like spam, especially to a filter. However, all emails can suffer from false detection. Emails discussing products in the finance and medical areas are likely to suffer, due to the number of spam rules targeting these types of products.
If some ham email is incorrectly detected as spam, try the following:
Personalize each email, or send a unique email to a small number of recipients. If the email body is different, then message recognition service will treat each email as unique. The emails can also be sent...
