How many emails or SingleEmailMessages can be sent as part of a single sendEmail method invocation?
66367
Emails Per Invocation Still Capped at 100?
65384
send message to multiple objects at once (objective-c)
150250
What is the maximum length of a valid email address?
36553
Sending Email via gmail smtp server in JAVA
108323
Send emails from Email Service address?
93489
How to resolve javax/mail/MessagingException?
106071
What is the MIME equivalent of uuencode for sendmail?
69997
Sending aspx page with gridviews as email
120909
Marketing Cloud - Email Send Snapshot (point in time)
122817
Subscriber Key related to Multiple Emails
34014
How to send email to multiple recipients using python smtplib?
130892
How to test that Apex Batch finish() sends an email?
119354
Sandbox modifies subject on email sent from trigger
125458
How can I send email to user that is not logged in since 30 days?
86453
How to send email to multiple recipients using drupal_mail?
101495
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
60660
Explanation for "emails"?