diff --git a/.mailmap b/.mailmap
index 886f692da..b8a0c0532 100644
--- a/.mailmap
+++ b/.mailmap
@@ -43,3 +43,8 @@ Jens Schanz <jens.schanz@mueller.de> Schanz, Jens <jens.schanz@mueller.de>
 Henrik Triem <Henrik.Triem@icinga.com> Henrik Triem <43344334+htriem@users.noreply.github.com>
 Henrik Triem <Henrik.Triem@icinga.com> <henrik.triem@icinga.com>
 nemtrif <ntrifunovic@hotmail.com> <nemtrif@users.noreply.github.com>
+nemtrif <ntrifunovic@hotmail.com> <ntrifunovic@hotmail.com>
+Alex <alexp710@hotmail.com> <alexp710@hotmail.com>
+Sebastian Chrostek <sebastian@chrostek.net> <sebastian@chrostek.net>
+Roman Gerhardt <roman.gerhardt@cbc-x.com> <roman.gerhardt@cbc-x.com>
+Kálmán „KAMI” Szalai <kami911@gmail.com> <kami911@gmail.com>