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| Regular SMTP server | MailUp's SMTP+ | |
|---|---|---|
| Deliverability | Potentially low (1) |  High |
| Statistics | None | Detailed at user level |
| Scalability | Limited (2) | High |
| Header/footer | Must be in the message | Can be automatically added |
| Notifications (e.g. bounces) | To the sender | Customizable (e.g. sent to IT staff) |
| Triggered Emails | None | Unlimited |
| Recipients database | None | Automatically created |
| Unsubscriptions | Manual | Automated |
| Bounce management | Manual | Automated |
| Feedback Loop managament | None | Automated |
| Sending messages in CCN | Limited | Unlimited. The BCC recipient receives the message with the address in the To field |
| Sending attachments | Limited | Up to 20MB 10MB |
(1) You are at the mercy of your SMTP server's reputation, which is affected by all the companies that are using it. For example, if your Web hosting company has deliverability issues, you would be negatively affected
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