# Zivver Plugin Assisted Mail Submission (PAMS)

## Introduction Plugin Assisted Mail Submission

## Requirements for Plugin Assisted Mail Submission

## Limitations of Plugin Assisted Mail Submission

## Implementation overview Plugin Assisted Mail Submission

### Microsoft Exchange Online for PAMS
- Implement Plugin Assisted Mail Submission in Microsoft Exchange Online
- Create a connector in Exchange Online
- Create a rule in Exchange Online

### Microsoft Exchange On-Premise for PAMS
- Implement Plugin Assisted Mail Submission in Exchange on premise
- Create an accepted domain in Exchange on premise
- Create a contact in accepted domain
- Create a send connector in Exchange on premise
- Create a mail flow rule in Exchange on-premise

### Secure Email Gateway for PAMS
- Implement Plugin Assisted Mail Submission in a different mail server or secure email gateway
- Connect to Zivver SMTP Gateway
- Filter outbound Zivver messages on a custom mail header

### Microsoft Outlook PAMS enablement
- Enable Plugin Assisted Mail Submission in the Zivver Office Plugin
- Send large attachments or not
- Increase the maximum message size for sent messages
- Disable the Zivver attachment button for PAMS

Updated on 2026-06-18