Email Account Limits
As far as possible apply to all messages sent through verified SMTP. This will basically be used for email sent by means of a mail client, yet can likewise include mail sent by means of your site whenever designed to send through SMTP.
We force a limit of 8,000 messages for every email address per 24 hours.
The following limits also apply:
1. Close to 10,000 beneficiaries for each day.
2. Close to 2,000 unique recipients for every day.
3. A single email may not be sent to in excess of 100 individual locations.
For instance, if you somehow managed to send 100 messages to 5 different  email addresses inside a 24 hour time period. We would check 100 messages, 500 complete recipients and 5 unique recipients.
Web Server Limits
A breaking point of 500 messages for every day is forced on all email sent by our web servers. Messages sent by the web servers ought to be no bigger than 5MB in size. This applies to all messages sent through the PHP mail() work.
Autoresponders
An autoresponder just sends once every per sender
Zero Tolerance Spam Policy
We take a zero resistance position against the sending of spontaneous email, mass messaging and spam. If you don't mind please refer to our Acceptable Use Policy for more information.
Please note: The circulated idea of our system implies email can leave through various servers at various times. Accordingly, you may see periods when you can send a more greater number of messages than limits mentioned above. However, this conduct ought not be depended upon and isn't supported. In the event that you do wish to send a bigger number of e-mails than any of the points of limits  mentioned above, we would prescribe taking a gander at an authority advertising email stages, for example, SendGrid, Mailgun, or Mailjet.
New Mailbox Limit
At the point when another mailbox has been set up, the sending is limited to 50 every day for 7 days. This is really a misuse standard to avoid new mailboxes being set up and used quickly to convey high volumes of spam messages. To save the stages reputation and protect mail being sent from being mock as spam by third parties  this standard was put spot to secure that status.