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Knowledge base

General

Getting Started 23
  • How can I get technical support?
  • Who is DuoCircle?
  • Why am I not receiving email?
  • How do I login to manage my account?
  • Where can I see the current system status?
See all 23 articles
What's New 4
  • 2024-11-27: Enhanced Outbound Service Statistics Page
  • 2024-09-10: Customer API Key Manager
  • 2024-01-10: Configurable Action on Inbound Spam Classification
  • 2024-01-10: Enhanced Inbound Service Statistics Pages

SMTP Relay

Outbound SMTP 45
  • Port Numbers for Outbound SMTP
  • SMTP Settings and Troubleshooting Email Delivery Issues
  • How to Use SPF with DuoCircle Services
  • DuoCircle Standard SMTP Abuse Information
  • Checking SMTP Outbound Credits.
See all 45 articles

Email Archiving

Email Archive 12
  • Email Archiving Administrator Guide
  • Email Archiving Search Guide
  • Email Archiving End User Guide
  • Create a new Email Archiving Users
  • Where do I find my unique Journal Mailbox Address?
See all 12 articles

Hosted Email

Email Delivery 13
  • Setting up Email Forwarding or Store and Forward
  • What are the DNS records for Nettica email?
  • SPF Record updated June 12 2017
  • Invalid Certificate On Mailhostingservice.com
  • Nettica MX Record Change
See all 13 articles
Email Account Setup Instructions 7
  • Webmail
  • Apple Mail Version 10.3 and Later
  • Thunderbird
  • Nettica Hosted Email settings using IMAP - Microsoft Office 2007
  • Android 5.x.x (Lollipop) (SMTP/IMAP/POP3)
See all 7 articles
Roundcube Webmail Help 53
  • Messages List
  • How to open a message for reading
  • Mark Messages as Read or Flagged
  • Change messages list sorting
  • Threaded message listing
See all 53 articles
Service End of Life 9
  • Email Hosting Services Ending September 30, 2025
  • Service Extension Requests
  • Will I Receive a Refund for Unused Service Time?
  • Can You Help Me Migrate to Another Email Provider?
  • Why Is Email Hosting Service Being Discontinued?
See all 9 articles

Internal

Customer Customizations 0

Message Management & Quarantine

End User Portal 1
  • Message Log Viewer v2

Cloud Email

Google Apps 10
  • Setting up your Google Apps Account
  • Transfer a domain to the DuoCricle reseller account
  • Migrate your email and contacts from Webmail to Google Apps
  • Migrate your email and contacts from Outlook to Google Apps
  • Update your MX records at Dyn
See all 10 articles

Account Management

Billing and Account Details 11
  • How do I update my billing information?
  • How do I update my security question?
  • How can I see the services that are on my account?
  • Where can I find a copy of my invoice to download or print?
  • How do I check the renewal status of a service?
See all 11 articles

Email Continity

Email Continuity 3
  • Catch All Accounts
  • Email Continuity Retention Policy
  • Configuring your Email Continuity Account Process

Phishing Protection

Getting Started - Email Security 25
  • Overview of Phish Protection Setup
  • Overview Steps Configuring Phish Protection
  • Office 365 Setup - Phishing Protection
  • Google Workspace Setup - Phishing Protection
  • Enhanced Filtering for Connectors in 365
See all 25 articles
FAQ 25
  • Upgrading to Advanced Threat Defense
  • Link Click Protection Overview
  • How to Whitelist or Blacklist a URL
  • Setting a Custom Link Domain
  • Phishing Warning Message
See all 25 articles
Error Codes 14
  • Phish Error Code: 1
  • Phish Error Code: 100
  • Phish Error Code: 101
  • Phish Error Code: 200
  • Phish Error Code: 201
See all 14 articles

Legal

Policies 4
  • GDPR FAQ
  • Is DuoCircle HIPAA Compliant?
  • Customer Policies
  • What is the DuoCircle ECCN number?

Email Forwarding

Email Fowarding Configuration 15
  • Can I create Wildcard aliases?
  • Email Forwarding Troubleshooting
  • Forwarding API
  • Does Alumni Forwarding Provide Email Boxes?
  • How Does Alumni Email Forwarding Work?
See all 15 articles

Abuse Desk

Abuse Feedback 1
  • Spam Complaint

Tenant Migration

Getting Started 3
  • Office 365 Tenant Migration
  • Tenant Migration Overview Presentation
  • Tenant Migration Interface Overview

MX Backup

Mail / MX Backup 12
  • Does the service start automatically?
  • Length of Time Email is Kept in the MX Backup
  • Do I have to install anything on my server?
  • How often do your servers check to see if our mail server is back online?
  • Is there a limit to how many messages we can receive or how much disk space we utilize?
See all 12 articles

AutoSPF

AutoSPF Settings Features 7
  • How to enable my Security Settings in my AutoSPF account?
  • How can I generate an AutoSPF API Token?
  • Enabling 2FA
  • AutoSPF Logs History shows the changes made on the account
  • How to set up email alerts and webhooks in AutoSPF?
See all 7 articles
AutoSPF Billing Features 5
  • What happens if a payment fails?
  • AutoSPF Subscription Cancellation
  • Updating Credit Card AutoSPF
  • New users should register before using the SAML Authentication. Please check with your administrator
  • Where do I find Billing information?
Domain SPF Manager Features 16
  • How to add a domain on autoSPF app?
  • How to add an SPF record and an Include Mechanism to a domain in my AutoSPF app?
  • Understanding Initial, Unflattend, and Currently Published SPF records in AutoSPF app
  • Can I manually flattened my DNS SPF record?
  • What is Tracked Includes Tree used for in AutoSPF?
See all 16 articles
AutoSPF Teams Features 4
  • How to build and manage Teams in my AutoSPF app?
  • How to set up a Single Sign-On (SSO) for my AutoSPF Team?
  • AutoSPF Enterprise Authentication
  • How to assign a domain to my AutoSPF Team?
AutoSPF General Information 16
  • Where are Flattened SPF records DNS hosted?
  • SPF Record too Long at your Registrar
  • AutoSPF API
  • AutoSPF Frequently Asked Questions
  • Testing SPF Records
See all 16 articles
AutoSPF Pre-Sale Information 2
  • What is an SPF record and why is it important?
  • Advantages and Disadvantages of SPF
Macro Flattening 1
  • How does Macro-Flattening work as opposed to normal Flattening?

Spam Filtering

Mail Filtering / Gateway 33
  • Geographically Diverse Filtering Zones
  • TLS Support
  • What is the maximum attachment size for email?
  • Setting Destination Server, Priority and Ports - Multiple Inbound Delivery Ports Supported
  • Email Filter Rule Examples
See all 33 articles
Quarantine 2
  • Managing Quarantine as an Administrator
  • Enabling Smart Quarantine on existing Email Forwarding service

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  • Outbound SMTP Relay

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