Outbound SMTP

Information about the Outbound SMTP service, how to configure and information on how to setup your account.

Using Email Address Formats as Usernames for SMTP Authentication
Using Email Address Formats as Usernames for SMTP Authentication Summary: This article explains how to configure systems that require email address formats...
Tue, 7 May, 2024 at 9:59 PM
Add Credits for Outbound SMTP Monthly Plan Upgrade
1. Navigate to https://portal.duocircle.com/clientarea.php 2. Click "Outbound SMTP - Monthly Credits" 3. Click "Add Credits" ...
Sun, 21 Jul, 2024 at 8:35 PM
X-OriginatorOrg Weakness Office 365 and Proofpoint
Addressing Tenant Isolation Security Vulnerability and Ensuring Secure Email Relay with DuoCircle IMPORTANT NOTE: the vulnerability and mitigation discu...
Wed, 31 Jul, 2024 at 9:58 PM
Inbox Placement and Deliverability
Factors Impacting Email Inbox Placement As an SMTP provider, our primary responsibility is to ensure that your emails are delivered reliably to your recip...
Mon, 26 Aug, 2024 at 4:09 PM