Well, since MaxBulk Mailer is a tool to send emails and Daylite a contact manager it makes sense to make them work together. Actually it takes seconds to install the plugin to start taking advantage of the two software. You just need to go through the following steps:

 MaxBulk Mailer 8.1.1 or higher:
With recent versions of MaxBulk Mailer it is very easy to install the plugin, you just need to launch MaxBulk Mailer and use the 'MaxBulk Mailer > Install the Daylite Plugin' menu. That's all, MaxBulk Mailer will take care of everything. However, if that doesn't work you can always use the older method described below.

 Older versions of MaxBulk Mailer:

1.- Download the plugin here or get the very last version of MaxBulk Mailer here. You need at least MaxBulk Mailer v6.7 and a Mac Intel computer. Note that current MaxBulk Mailer version comes with the plugin in the 'Goodies/Daylite Plugin' folder.

2.- Copy the Daylite plugin to the '~/Library/Application Support/Daylite/PlugIns' folder. If that folder doesn't exist, just create it.

To check if the installation is correct just launch Daylite. You should see a new 'Actions -> Send To MaxBulk Mailer' menu. To export contacts to MaxBulk Mailer, select them in Daylite and use the 'Actions -> Send To MaxBulk Mailer' menu as shown in the picture below:

 Then all the selected contacts are added to MaxBulk Mailer:
    

Your are now ready to send your message to your transfered Daylite contacts! It's that simple!