MultiSendcon Support

Email and phone support is included with all our products. We respond quickly.

Contact: support@servolutions.com

Installation Guide

How to install and configure MultiSendcon →

Online Help (Administrator Utility)

• Administrator Utility overview
• Master Relay configuration
• Relay Servers configuration
• NDR (Non-Delivery Report) handling
• License
• Advanced settings
• SMTP Account settings
• Direct DNS / Direct Send settings
• Test SMTP Account

Frequently Asked Questions

• “504 5.7.4 Unrecognized authentication type” with Office 365 SMTP relay
• Exchange SMTP error codes explained — 504 5.7.4 and the replies Exchange itself returns, with cause and fix
• IONOS blocks non-delivery reports and out-of-office messages
• How to manually create the Send Connector in Exchange
• Service won’t start after upgrading — “ChilkatDotNet47.dll or one of its dependencies could not be found”