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