Overview

Know that your emails will reach their inboxes

CritSend makes sure that your emails reach their inboxes. Our Deliverability Engine automatically handles all aspects of delivery for you, from compliance and headers to full unsubscription management and bounce processing. Our advanced filters catch and alert you of emails seen as spam before it leaves our servers. Your mails are sent with valid signatures from whitelisted servers. You never worry about IP reputation or blacklisting. Using CritSend as your ESP ensures legitimate transactional emails, password reminders, invoices, newsletters, and social networking notifications will reach their destinations.

Know details about your emails and readers

CritSend's dashboard shows you who's reading your emails and what they are doing with them. Track click-thrus, opens, spam folder reports, bounces, unsubscriptions and more. Use this to fine-tune the impact of your messages, track a website launch, or improve the effectiveness of a campaign.

Get up and running within minutes

With our enhanced SMTP relay and online Setup Wizard, you can begin delivering within minutes. Easily customize your delivery, header, signature, and other options with our online dashboard. Start testing and sending now with your free trial of 1,000 emails.

Save money

CritSend is a pay-per-use delivery service. There are no long term contracts or commitments, pay only for the number of emails you use. Our cost-effective deliverability service is also fully scalable for your changing sending demands. You save the time and expense of running your own mail server and cut out the need to keep current on deliverability and compliance issues. All while increasing your bottom line with stellar deliverability rates.