Side by side
Rspamd vs Xeams
Both stand on email security gateways. 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
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 Rspamd Free plan APILinuxMac+3
Xeams combines mail-server functions with layered spam filtering, quarantine, and administration tools. Check the Community Edition limits and instance or user-based Enterprise costs against your deployment needs.
Visit XeamsThe facts
| Rspamd | Xeams | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | No |
| Runs on | API, Linux, Mac, Self-hosted, Web | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Scale: £100 a month | Enterprise Edition, 1–9 users, annual: $1.67 a month |
| Plans published | 4 | 6 |
| Maker | Not published | Not published |
| Website | rspamd.com | xeams.com |
| On email security gateways | #2 of 35 | #6 of 35 |
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.
Xeams: what it does well
- Can run standalone, as a gateway, or in hybrid mode
- Quarantine accessible through web or IMAP
- Includes outbound filtering and malware sandboxing
- Supports SMTP, POP3, IMAP, and major email standards
What to know first
- Community spam filtering is limited to five users
- Enterprise pricing varies by user tier
- Shared cloud adds $100/month per machine
- Community phone and email support costs $300/year