diff --git a/pkgs/servers/mail/exim/default.nix b/pkgs/servers/mail/exim/default.nix
index a7f0a1986b99..b5446f7df190 100644
--- a/pkgs/servers/mail/exim/default.nix
+++ b/pkgs/servers/mail/exim/default.nix
@@ -3,11 +3,15 @@
 , procps, killall
 , enableLDAP ? false, openldap
 , enableMySQL ? false, libmysqlclient, zlib
+, enablePgSQL ? false, postgresql
+, enableSqlite ? false, sqlite
 , enableAuthDovecot ? false, dovecot
 , enablePAM ? false, pam
 , enableSPF ? true, libspf2
 , enableDMARC ? true, opendmarc
 , enableRedis ? false, hiredis
+, enableJSON ? false, jansson
+, enableSRS ? false,
 }:
 let
   perl' = perl.withPackages (p: with p; [ FileFcntlLock ]);
@@ -26,11 +30,14 @@ in stdenv.mkDerivation rec {
   buildInputs = [ coreutils db openssl perl' pcre2 libxcrypt ]
     ++ lib.optional enableLDAP openldap
     ++ lib.optionals enableMySQL [ libmysqlclient zlib ]
+    ++ lib.optional enablePgSQL postgresql
+    ++ lib.optionals enableSqlite [ sqlite sqlite.dev zlib ]
     ++ lib.optional enableAuthDovecot dovecot
     ++ lib.optional enablePAM pam
     ++ lib.optional enableSPF libspf2
     ++ lib.optional enableDMARC opendmarc
-    ++ lib.optional enableRedis hiredis;
+    ++ lib.optional enableRedis hiredis
+    ++ lib.optional enableJSON jansson;
 
   configurePhase = ''
     runHook preConfigure
@@ -71,9 +78,25 @@ in stdenv.mkDerivation rec {
         s:^# \(LOOKUP_LIBS\)=.*:\1=-lmysqlclient -L${libmysqlclient}/lib/mysql -lssl -lm -lpthread -lz:
         s:^# \(LOOKUP_INCLUDE\)=.*:\1=-I${libmysqlclient.dev}/include/mysql/:
       ''}
+      ${lib.optionalString enablePgSQL ''
+        s:^# \(LOOKUP_PGSQL=yes\)$:\1:
+        s:^\(LOOKUP_LIBS\)=\(.*\):\1=\2 -lpq -L${postgresql.lib}/lib:
+        s:^# \(LOOKUP_LIBS\)=.*:\1=-lpq -L${postgresql.lib}/lib:
+        s:^# \(LOOKUP_INCLUDE\)=.*:\1=-I${postgresql}/include:
+      ''}
+      ${lib.optionalString enableSqlite ''
+        s:^# \(LOOKUP_SQLITE=yes\)$:\1:
+        s:^# \(LOOKUP_SQLITE_PC=sqlite3\)$:\1:
+        s:^\(LOOKUP_LIBS\)=\(.*\):\1=\2 -lsqlite3 -L${sqlite}/lib:
+        s:^# \(LOOKUP_LIBS\)=.*:\1=-lsqlite3 -L${sqlite}/lib -lssl -lm -lpthread -lz:
+        s:^# \(LOOKUP_INCLUDE\)=.*:\1=-I${sqlite.dev}/include:
+      ''}
       ${lib.optionalString enableAuthDovecot ''
         s:^# \(AUTH_DOVECOT\)=.*:\1=yes:
       ''}
+      ${lib.optionalString enableSRS ''
+        s:^# \(SUPPORT_SRS\)=.*:\1=yes:
+      ''}
       ${lib.optionalString enablePAM ''
         s:^# \(SUPPORT_PAM\)=.*:\1=yes:
         s:^\(EXTRALIBS_EXIM\)=\(.*\):\1=\2 -lpam:
@@ -94,6 +117,13 @@ in stdenv.mkDerivation rec {
         s:^\(LOOKUP_INCLUDE\)=\(.*\):\1=\2 -I${hiredis}/include/hiredis/:
         s:^# \(LOOKUP_INCLUDE\)=.*:\1=-I${hiredis}/include/hiredis/:
       ''}
+      ${lib.optionalString enableJSON ''
+        s:^# \(LOOKUP_JSON=yes\)$:\1:
+        s:^\(LOOKUP_LIBS\)=\(.*\):\1=\2 -ljansson -L${jansson}/lib:
+        s:^# \(LOOKUP_LIBS\)=.*:\1=-ljansson -L${jansson}/lib:
+        s:^\(LOOKUP_INCLUDE\)=\(.*\):\1=\2 -I${jansson}/include:
+        s:^# \(LOOKUP_INCLUDE\)=.*:\1=-I${jansson}/include:
+      ''}
       #/^\s*#.*/d
       #/^\s*$/d
     ' < src/EDITME > Local/Makefile