Easy Setup

Just point and send. Setup details here.

SPF / DomainKeys / Sender ID Email Authentication

We automatically sign messages with Domain Keys, Sender ID and SPF to ensure their legitimacy with receiving ISPs. Valid signatures from a signed domain enables trust and help identify you as a responsible sender.

Automated Bounce Filtering

Permanent address failures are filtered by email type to help you maintain list integrity

Full Unsubscription Handling

Unsubscriptions are processed, filtered, and unsub addresses are downloadable via our online reporting portal. Recipients who clicked on their Report Spam buttons for your message are also filtered per type and reported to you for easy list integrity.

White Label Unsubscription

Transparent unsubscription available

Smart Bounce Processing

View, edit and export your online list of bounces, spam report clicks and unsubscriptions.Automated list cleanup for hard bounces, repeated soft bounces, spam report clicks, unsubscriptions

Major ISP Feedback Loops

As a trusted email service provider, Critsend maintains relationships with leading ISPs such as AOL, Yahoo, Hotmail, MSN & more. We provide details of your readers like spam complaints, invalid addresses and other data to you. Automatic suppression of users reporting your email as spam, helping you easily maintain the integrity of your sending addresses.

Data Security

All communications are encrypted and your addresses are not held on the system