Exim 4.99 MTA Drops OpenSSL 0.9 and TCP-Wrappers Linuxiac By:Bobby Borisov 29 October 2025 at 22:25 Exim 4.99 open-source MTA brings DKIM, DMARC, and TLS fixes, drops obsolete TCP-Wrappers, and strengthens overall mail authenticity verification.