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DuoCircle
Knowledge base
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
14
Can I create Wildcard aliases?
Email Forwarding Troubleshooting
Forwarding API
Does Alumni Forwarding Provide Email Boxes?
How Does Alumni Email Forwarding Work?
See all 14 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
6
What happens if a payment fails?
AutoSPF Subscription Cancellation
Legacy SPF Billing Portal
Updating Credit Card AutoSPF
New users should register before using the SAML Authentication. Please check with your administrator
See all 6 articles
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
