The email delivery service that people actually like. Our SMTP service and reliable email API help you get your emails to the inbox—fast and reliably. By ActiveCampaign.
| Website | https://postmarkapp.com |
| Revenue | $78.7 million |
| Employees | 16 (3 on RocketReach) |
| Founded | 2010 |
| Address | 1 N Dearborn St, Chicago, Illinois 60602, US |
| Phone | (855) 286-7373 |
| Technologies |
JavaScript
,
HTML
,
PHP
+64 more
(view full list)
|
| Industry | Software Development, Software General, Software |
| Keywords | Email Delivery, Smtp Service, Email Api, Email Automation, Transactional Email, Email Marketing, Email Infrastructure, Email Sending, Reliable Email, Email Deliverability, Email Platform, Email Service Provider, Bulk Email, Email Tools, Email Solutions, Email Management, Email Marketing Software, Smtp Relay, Email Api Integration |
| Competitors | Amazon, Zoho, Mailgun by Sinch, Constant Contact, Sendinblue, SparkPost, a MessageBird company, SendGrid, MailerLite, SMTP, Mailjet by Sinch +31 more (view full list) |
| SIC | SIC Code 48 Companies, SIC Code 481 Companies |
| NAICS | NAICS Code 51 Companies, NAICS Code 517 Companies |
Looking for a particular ActiveCampaign Postmark employee's phone or email?
The ActiveCampaign Postmark annual revenue was $78.7 million in 2026.
3 people are employed at ActiveCampaign Postmark.
ActiveCampaign Postmark is based in Chicago, Illinois.
The NAICS codes for ActiveCampaign Postmark are [51, 517].
The SIC codes for ActiveCampaign Postmark are [48, 481].