Side by side
Apache SpamAssassin vs Rspamd
Both stand on email anti-spam software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source APILinuxMac+2
SpamAssassin offers configurable server-side spam classification with multiple detection methods and integration options. Administrators should account for its server deployment and replace the default report-template contact details.
Visit Apache SpamAssassin Free plan Open source APILinuxMac+2
Rspamd offers a self-hosted email filtering engine with multiple authentication checks, malware integrations, and custom rule options. Consider its mailbox-based pricing and release support policy when evaluating it for a mail environment.
Visit RspamdThe facts
| Apache SpamAssassin | Rspamd | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Yes |
| Runs on | API, Linux, Mac, Self-hosted, Windows | API, Linux, Mac, Self-hosted, Web |
| Lowest paid plan | Free or on request | Scale: £100 a month |
| Plans published | 1 | 4 |
| Maker | Not published | Not published |
| Website | spamassassin.apache.org | rspamd.com |
| On email anti-spam software | #1 of 28 | #2 of 28 |
Apache SpamAssassin: what it does well
- Combines several local and network detection methods.
- Plain-text configuration lets administrators add rules.
- API supports procmail, sendmail, Postfix, and qmail.
- Free and open source.
- Official downloads include signature and checksum links.
What to know first
- Runs as server-side software rather than a hosted mailbox filter.
- Mailing-list responses are provided as time permits.
Rspamd: what it does well
- Checks SPF, DKIM, DMARC, and ARC.
- Supports custom rules through Lua, maps, and selectors.
- Can run on-premises without a required vendor cloud.
- Open-source engine is licensed under Apache 2.0.
- Works with Postfix, Exim, and Sendmail.
What to know first
- Scale starts at £100 + VAT/month.
- Pricing is based on protected mailbox count.
- Old releases are not supported.
- Previous stable branch support ends when a new major release becomes stable.
Alternatives to Apache SpamAssassin Alternatives to Rspamd The whole list