GroupsPro

Manage contacts, contact groups and create mailing lists for mass email.

GroupsPro is the best way to create and organize groups of contacts and create mailing lists. A mailing list contains members of groups or individual recipients.
Features:
• Create and modify groups of address book contacts
• Assign contacts to groups (single and fast assigning)
• Create and modify mailing lists for mass emails
• Search for names, phone numbers, email addresses, postal addresses, departments and notes within all contacts
• Modify your contacts
• Compatible also with OS X 10.10 (Yosemite)
• And more

Mailing lists:
• Usable within GroupsPro for sending emails to several recipients.
• Add text and photos
• Cc and Bcc recipients partially supported
• Attachments
• PDF as images or attachments
• Message as HTML possible
• Send prepared emails manually with the Mail app

Pay once - install on multiple Mac computers associated with the same iTunes account. When buying this app you can't download its payable iOS version for free. These are different products.