OpenDKIM
Mail ServersDKIM signing and verification filter for mail servers
Replaces Proprietary email security gateways
1 self-hosted Proprietary email security gateways alternatives
Proprietary email security gateways is a popular proprietary tool in the mail servers space. These open-source apps let you replace Proprietary email security gateways with software you host and control yourself.
Best self-hosted Proprietary email security gateways alternatives
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Switching from Proprietary email security gateways
Moving off Proprietary email security gateways means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.