External Email Address Limitation for Mass Email in Salesforce
Below is the maximum number of external email addresses you can include in each mass email depends on your salesforce edition:
Edition
|
External Address Limit per Mass Email
|
Personal, Contact Manager, and Group Editions
|
Mass email not available
|
Professional Edition
|
250
|
Enterprise Edition
|
500
|
Unlimited Edition
|
1,000
|
Developer Edition
|
10
|