https://cybertoolchain.io/tools/mxcheck New releases and features in mxcheck, tracked by The Cyber Toolchain. en Mon, 24 Nov 2025 15:47:00 GMT https://github.com/steffenfritz/mxcheck/releases/tag/v1.8.0 https://github.com/steffenfritz/mxcheck/releases/tag/v1.8.0 Mon, 24 Nov 2025 15:47:00 GMT mxcheck v1.8.0 adds active SMTP Smuggling vulnerability detection via new -g flag. • New `-g` flag enables active checks for the SMTP Smuggling vulnerability against target mail servers. Full history on Cyber Toolchain: https://cybertoolchain.io/tools/mxcheck https://github.com/steffenfritz/mxcheck/releases/tag/v1.6.0-BETA-1 https://github.com/steffenfritz/mxcheck/releases/tag/v1.6.0-BETA-1 Fri, 15 Mar 2024 17:13:50 GMT mxcheck v1.6.0-BETA-1 adds automatic TLS version checking for STARTTLS and SMTPS • Adds automatic TLS version checking for the highest version used in STARTTLS and smtps on port 465 Full history on Cyber Toolchain: https://cybertoolchain.io/tools/mxcheck https://github.com/steffenfritz/mxcheck/releases/tag/v1.5.1 https://github.com/steffenfritz/mxcheck/releases/tag/v1.5.1 Mon, 15 May 2023 13:49:57 GMT mxcheck v1.5.1 adds DMARC check and blacklist prefix for output parsing • Prefixes blacklist results with `_Blacklist_` in the output file Full history on Cyber Toolchain: https://cybertoolchain.io/tools/mxcheck https://github.com/steffenfritz/mxcheck/releases/tag/v1.2.4 https://github.com/steffenfritz/mxcheck/releases/tag/v1.2.4 Sun, 20 Mar 2022 16:52:41 GMT mxcheck v1.2.4 adds server banner extraction via the `Serverident` feature • mxcheck now reads the server banner and returns the first line of the response to identify user server software. Full history on Cyber Toolchain: https://cybertoolchain.io/tools/mxcheck