Email Account Limits
- 8,000 messages per email address per 24 hours via authenticated SMTP
- Maximum 10,000 total recipients daily
- Up to 2,000 unique recipients per day
- Single messages limited to 100 individual addresses
Web Server Limits
Messages sent through PHP mail() functions are capped at 500 messages per day, with a 5 MB maximum file size per email.
Autoresponders
Autoresponder functionality operates on a restricted schedule: one response per sender every 8 hours.
New Account Restrictions
When a new mailbox has been set up, the sending is limited to 50 per day for 7 days as an anti-spam measure.
Alternative Solutions: For higher volume needs, the provider recommends third-party email marketing services like SendGrid, Mailgun, or Mailjet.