CritSend Features

CritSend ensures that your transactional, bulk & automated emails reach their destination inboxes. We deliver your invitations, password reminders, invoices, newsletters, social networking messages and more. Setup with CritSend within minutes, using either our enhanced SMTP relay or our HTTP API.

Deliverability Features

  • Stellar Deliverability - enjoy the best inbox rates on the market today
  • Spambox Placement Detection - Our Deliverability Engine algorithms automatically tells you if any of your messages are actually perceived as spam by ISPs. CritSend alerts and advises you in that case, ensuring more effective and clean deliveries to your recipients and protecting your reputation.
  • 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

Analytics & Online Reporting Features

  • Email Tagging -Tag your emails & campaigns for custom analytics and delivery tracking
  • Sends, Opens & Click reports
  • One-step Google Analytics integration - your click-through traffic will show up in your Google Analytics Traffic report. Using our tagging system, each mail type will be individually represented for ease of A/B testing and goal setting.
  • Spam folder statistics with addresses
  • Spam alerts
  • Exportable Bounce & Unsub address lists
  • List of addresses that opened your mails
  • List of addresses that clicked on your links
  • Negative User Engagement Alerts - we alert you of emails being perceived badly by recipients or ISPs . We also help you to work on this problem at no extra charge.

Message Delivery Features

  • Special Time-Critical Servers (<2 mins) for certain quick message types - fast servers available for certain critical message types that require immediate delivery
  • Mail Attachment support - send attachments with your emails
  • BCC support
  • Incoming email / reply-to & mobile support with attachments - good for mobile uploads And reply-to
  • TLS encrypted channel support
  • International Charset Support - Automatic reencoding of your emails with the charset of your choice
  • Mirror Page / Web View Support - full support of "if you don't see this email in your browser click here"
  • Template Engine for API users

Server Availability and Security Features

  • 99.99% Server Availability -Worldwide cloud clusters in geographically dispersed data centers that are truly distributed, real-time swappable and load balanced without compromising low latency.
  • Fault Tolerance - when a server in the CritSend's Deliverability Engine Cluster sends a message, it is replicated on several other machines
  • Scalability - our servers are equipped to handle explosive and sudden bursts in sends for your launch, growth, or large company
  • Continuous Testing - Each server tests itself regularly for deliverability using technologies such as real-time blacklist detection, log analysis among others.
  • No disruption in mail streams - if a server encounters an issue with a specific ISP or blacklist, it automatically rebalances its affected load to other servers and alerts are sent to CritSend HQ for immediate investigation. This ensures that there is no disruption in customer mail streams

Pricing & Support

  • Pay-per-use Pricing - Pay only for emails you will send. No contracts, consulting fees, subscription fees or monthly fees. At a fraction of the price of other companies, CritSend is the most cost efficient complete solution
  • All-inclusive Pricing - CritSend does not charge additional setup fees or consulting fees
  • 24/7 support with multiple contact options: email, IRC, Skype, AIM or phone
  • Easy Setup