diff --git a/config/action.d/mail-buffered.conf b/config/action.d/mail-buffered.conf
index 79b84104..108007ce 100644
--- a/config/action.d/mail-buffered.conf
+++ b/config/action.d/mail-buffered.conf
@@ -17,7 +17,7 @@ actionstart = printf %%b "Hi,\n
               The jail <name> has been started successfully.\n
               Output will be buffered until <lines> lines are available.\n
               Regards,\n
-              Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: started on <fq-hostname>" <dest>
+              Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: started on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionstop
 # Notes.:  command executed at the stop of jail (or at the end of Fail2Ban)
@@ -28,13 +28,13 @@ actionstop = if [ -f <tmpfile> ]; then
                  These hosts have been banned by Fail2Ban.\n
                  `cat <tmpfile>`
                  Regards,\n
-                 Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: Summary from <fq-hostname>" <dest>
+                 Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: Summary from <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
                  rm <tmpfile>
              fi
              printf %%b "Hi,\n
              The jail <name> has been stopped.\n
              Regards,\n
-             Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: stopped on <fq-hostname>" <dest>
+             Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: stopped on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actioncheck
 # Notes.:  command executed once before each actionban command
@@ -55,7 +55,7 @@ actionban = printf %%b "`date`: <ip> (<failures> failures)\n" >> <tmpfile>
                 These hosts have been banned by Fail2Ban.\n
                 `cat <tmpfile>`
                 \nRegards,\n
-                Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: Summary" <dest>
+                Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: Summary" -a "From: <sendername> <<sender>>" <dest>
                 rm <tmpfile>
             fi
 
diff --git a/config/action.d/mail-whois-lines.conf b/config/action.d/mail-whois-lines.conf
index d2818cb9..8a0756e9 100644
--- a/config/action.d/mail-whois-lines.conf
+++ b/config/action.d/mail-whois-lines.conf
@@ -21,7 +21,7 @@ norestored = 1
 actionstart = printf %%b "Hi,\n
               The jail <name> has been started successfully.\n
               Regards,\n
-              Fail2Ban" | <mailcmd> "[Fail2Ban] <name>: started on <fq-hostname>" <dest>
+              Fail2Ban" | <mailcmd> "[Fail2Ban] <name>: started on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionstop
 # Notes.:  command executed at the stop of jail (or at the end of Fail2Ban)
@@ -30,7 +30,7 @@ actionstart = printf %%b "Hi,\n
 actionstop = printf %%b "Hi,\n
              The jail <name> has been stopped.\n
              Regards,\n
-             Fail2Ban" | <mailcmd> "[Fail2Ban] <name>: stopped on <fq-hostname>" <dest>
+             Fail2Ban" | <mailcmd> "[Fail2Ban] <name>: stopped on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actioncheck
 # Notes.:  command executed once before each actionban command
@@ -56,7 +56,7 @@ _ban_mail_content = ( printf %%b "Hi,\n
             Regards,\n
             Fail2Ban" )
 
-actionban = %(_ban_mail_content)s | <mailcmd> "[Fail2Ban] <name>: banned <ip> from <fq-hostname>" <dest>
+actionban = %(_ban_mail_content)s | <mailcmd> "[Fail2Ban] <name>: banned <ip> from <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionunban
 # Notes.:  command executed when unbanning an IP. Take care that the
diff --git a/config/action.d/mail-whois.conf b/config/action.d/mail-whois.conf
index ab33b616..70bdd721 100644
--- a/config/action.d/mail-whois.conf
+++ b/config/action.d/mail-whois.conf
@@ -20,7 +20,7 @@ norestored = 1
 actionstart = printf %%b "Hi,\n
               The jail <name> has been started successfully.\n
               Regards,\n
-              Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: started on <fq-hostname>" <dest>
+              Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: started on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionstop
 # Notes.:  command executed at the stop of jail (or at the end of Fail2Ban)
@@ -29,7 +29,7 @@ actionstart = printf %%b "Hi,\n
 actionstop = printf %%b "Hi,\n
              The jail <name> has been stopped.\n
              Regards,\n
-             Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: stopped on <fq-hostname>" <dest>
+             Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: stopped on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actioncheck
 # Notes.:  command executed once before each actionban command
@@ -49,7 +49,7 @@ actionban = printf %%b "Hi,\n
             Here is more information about <ip> :\n
             `%(_whois_command)s`\n
             Regards,\n
-            Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: banned <ip> from <fq-hostname>" <dest>
+            Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: banned <ip> from <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionunban
 # Notes.:  command executed when unbanning an IP. Take care that the
diff --git a/config/action.d/mail.conf b/config/action.d/mail.conf
index f4838ddc..45208a7a 100644
--- a/config/action.d/mail.conf
+++ b/config/action.d/mail.conf
@@ -16,7 +16,7 @@ norestored = 1
 actionstart = printf %%b "Hi,\n
               The jail <name> has been started successfully.\n
               Regards,\n
-              Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: started  on <fq-hostname>" <dest>
+              Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: started  on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionstop
 # Notes.:  command executed at the stop of jail (or at the end of Fail2Ban)
@@ -25,7 +25,7 @@ actionstart = printf %%b "Hi,\n
 actionstop = printf %%b "Hi,\n
              The jail <name> has been stopped.\n
              Regards,\n
-             Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: stopped on <fq-hostname>" <dest>
+             Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: stopped on <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actioncheck
 # Notes.:  command executed once before each actionban command
@@ -43,7 +43,7 @@ actionban = printf %%b "Hi,\n
             The IP <ip> has just been banned by Fail2Ban after
             <failures> attempts against <name>.\n
             Regards,\n
-            Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: banned <ip> from <fq-hostname>" <dest>
+            Fail2Ban"|mail -E 'set escape' -s "[Fail2Ban] <name>: banned <ip> from <fq-hostname>" -a "From: <sendername> <<sender>>" <dest>
 
 # Option:  actionunban
 # Notes.:  command executed when unbanning an IP. Take care that the