Mailchimp
8.3#1 in email marketing softwareFrom $13 a monthFree planAndroidiOSWebAPI
VisitMailchimp vs Posta
What both publish
| Fact | Mailchimp | Posta |
|---|---|---|
| Integrations | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. | The maker lists official SDKs for Go, PHP, Java, and .NET, plus Prometheus integration and OAuth/SSO providers including Google, Keycloak, and authentik. |
| Security | Mailchimp says its SOC 2 reports cover security, availability and processing integrity, and it maintains ISO 27001 certification and a VPAT. | Listed security features include hashed API keys, optional key expiration and IP allowlists, JWT authentication, role-based access, two-factor authentication, rate limiting, and session management. |
Mailchimp plans
- FreeFree
- Essentials$13 a month
- Standard$20 a month
- Premium$350 a month
Posta plans
- Self-hosted, AGPL-3.0Free
Pick Mailchimp if…
Mailchimp suits people who need email campaigns alongside automation, segmentation, landing pages, or A/B testing. Its free plan may fit smaller contact lists and modest monthly sending needs.
Pick Posta if…
Posta suits teams that want to operate email delivery on their own infrastructure and need both outbound and inbound email. It may also suit developers looking for an HTTP API, SMTP relay, templates, and event webhooks.