Hi,
We made the following overview of products/services with outbound DANE support (i.e. DANE verification). Any remarks/additions are welcome.
I. Supported:
- Postfix (since version 2.11.0, January 2014): http://www.postfix.org/TLS_README.html#client_tls_dane - Halon (since version 3.4-r2, November 2015): https://halon.io/dane and https://wiki.halon.io/DANE - OpenSSL (since version 1.1.0, August 2016): https://www.openssl.org/docs/manmaster/man3/SSL_CTX_dane_enable.html and https://www.openssl.org/docs/manmaster/man1/openssl-s_client.html - Cloudmark (since version 5.2, March 2017): https://blog.cloudmark.com/2017/03/27/dane-and-email-security/ - Exim (since version 4.91, April 2018): https://www.exim.org/exim-html-current/doc/html/spec_html/ch-encrypted_smtp_... - Mail-in-a-Box (uses Postfix): https://github.com/mail-in-a-box/mailinabox/blob/master/security.md - ldns (uses OpenSSL): https://www.nlnetlabs.nl/documentation/ldns/dane_8h.html
II. Requested:
- Cisco: Bug ID: CSCuo87918 - [ Feature Request] TLS DANE Support for Email Security Appliance, https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuo87918/ - MS O365: https://office365.uservoice.com/forums/273493-office-365-admin/suggestions/1... and https://office365.uservoice.com/forums/289138-office-365-security-compliance... - Fortinet: https://fortinet.uservoice.com/forums/23797-fortipartner-feature-requests/su... - Protonmail: https://protonmail.uservoice.com/forums/284483-feedback/suggestions/34338826... and https://protonmail.uservoice.com/forums/284483-feedback/suggestions/16593601...
BTW a simple outbound DANE test can be found on https://havedane.net.