The Limits set by us are as follows:
- Max 512 recipients per user per hour.
- Max 512 Messages per user per hour (only if each message has one recipient).
- Max 1024 recipients/messages per domain per hour.
- Total Messages Size per hour per username is set to 250 MB per hour.
- Max no of simultaneous SMTP connections from a single IP: 50
- Max No of simultaneous IMAP connections from a single IP: 10
- Max No of simultaneous POP connections from a single IP: 3
