Our great sponsors
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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inbucket
Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.
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docker-mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
There are other options besides running a fully blown internal mail server. You could try https://github.com/maildev/maildev or https://github.com/mailhog/MailHog (no longer being developed but still working great) if it is enough for your use case.
There are other options besides running a fully blown internal mail server. You could try https://github.com/maildev/maildev or https://github.com/mailhog/MailHog (no longer being developed but still working great) if it is enough for your use case.
I run https://www.inbucket.org/ at home. I wrote it, so I'm biased, but it works well for me. ;)
I do this. I run docker-mailserver on the same docker host as my other containers, and connect it only via the internal docker network to those containers that need it. It has no externally exposed ports, since it doesn't need to send or receive mail beyond the LAN. Roundcube provides the only UI for users to access their mailbox for account verification, password resets, etc. I use it to teach my young kids email before they're ready for the real deal. It's worked well so far.