How to Send Birthday Emails in Interspire
The stock version has the ability to send an email campaign based on a date field in the contact record. The most common use of this feature is to send an email to users on their birthday.
send
New Exclude on Send and Import Addon Released
We thought it necessary to take a new and fresh run at developing that feature in an actual addon that is not vulnerable to IEM updates and is compatible with all version 6.0+ and with the most popular existing addons on the market today.
Exclude on Import and Send Now Available
Your current best option is to export the two (or more) contact lists and attempt to merge them into a single excel file. Sort by one of the columns and search for duplicates. It is tedious for certain but it also is a huge time waster.