MIMEDefang
MIMEDefang is a flexible, open-source email filtering framework that integrates with Sendmail and Postfix via the Milter API
Free software · mimedefang.org
Open MIMEDefang in AirStackWhat MIMEDefang’s own pages say
| What it says it does | MIMEDefang is a flexible, open-source email filtering framework that integrates with Sendmail and Postfix via the Milter API mimedefang.org |
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| Platforms | FreeBSD, Linux, Solaris mimedefang.org |
| Integrations | Postfix, Sendmail, ClamAV, DKIM signing, DMARC, SPF, SpamAssassin, rspamd mimedefang.org |
| Open source | Yes mimedefang.org |
| License | free software under the GNU GPL mimedefang.org |
Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.