In Salesbox you can 

- Send BCC email to many

- Export contacts to Mailchimp for personalised mass emails (These can also be tracked and generate leads automatically to Salesbox)

1. Go to there preferred section (Tasks, Leads, Delegation, Accounts, Contacts, Opportunities etc.)

2. Open the advanced search (magnifying glass with + sign inside)

3. Do an advanced search to get a smaller list, or just leave as is

4. Click the edit icon at the bottom right corner of the advanced search section and mark all or select which list objects by marking the checkbox for each row in the list

5A. Click the Email icon to send a BCC email from your regular email client to all marked objects

5B. Click the Mailchimp icon to export the result to Mailchimp