diff --git a/Makefile b/Makefile
index d91e3b5..6654641 100644
--- a/Makefile
+++ b/Makefile
@@ -54,8 +54,8 @@ menu:
 
 postfix:
 	if ! grep -q 'transport_maps' "/etc/postfix/main.cf"; then \
-		printf "transport_maps = hash:/etc/postfix/transport" >> "/etc/postfix/main.cf"; \
-		printf "smtpd_sender_restrictions = hash:/etc/postfix/access" >> "/etc/postfix/main.cf"; \
+		printf "transport_maps = hash:/etc/postfix/transport\n" >> "/etc/postfix/main.cf"; \
+		printf "smtpd_recipient_restrictions = check_sender_access hash:/etc/postfix/access, reject" >> "/etc/postfix/main.cf"; \
 	fi
 	stow -t "/etc/postfix" postfix
 	sudo chown root /etc/postfix/transport
diff --git a/postfix/access b/postfix/access
index 7872a96..da2f6e3 100644
--- a/postfix/access
+++ b/postfix/access
@@ -1,42 +1,41 @@
-cosmic.voyage      ALLOW
-.aussies.space     ALLOW
-.circumlunar.space ALLOW
-.hashbang.sh       ALLOW
-.thunix.cf         ALLOW
-.thunix.net        ALLOW
-.tildeverse.org    ALLOW
-aussies.space      ALLOW
-circumlunar.space  ALLOW
-ctrl-c.club        ALLOW
-envs.net           ALLOW
-radiofreqs.space   ALLOW
-rw.rs              ALLOW
-fuckup.club        ALLOW
-grex.org           ALLOW
-hashbang.sh        ALLOW
-nand.sh            ALLOW
-rawtext.club       ALLOW
-sdf.org            ALLOW
-thunix.cf          ALLOW
-thunix.net         ALLOW
-tild3.org          ALLOW
-tilde.chat         ALLOW
-tilde.club         ALLOW
-tilde.institute    ALLOW
-tilde.life         ALLOW
-tilde.news         ALLOW
-tilde.pink         ALLOW
-tilde.site         ALLOW
-tilde.team         ALLOW
-tilde.town         ALLOW
-tilde.wiki         ALLOW
-tilde.wtf          ALLOW
-tilde.zone         ALLOW
-tildegit.org       ALLOW
-tildenet.org       ALLOW
-tilderadio.org     ALLOW
-tildeteam.org      ALLOW
-tildeverse.org     ALLOW
-ttm.sh             ALLOW
-yourtilde.com      ALLOW
-*                  REJECT
+cosmic.voyage      permit_auth_destination
+.aussies.space     permit_auth_destination
+.circumlunar.space permit_auth_destination
+.hashbang.sh       permit_auth_destination
+.thunix.cf         permit_auth_destination
+.thunix.net        permit_auth_destination
+.tildeverse.org    permit_auth_destination
+aussies.space      permit_auth_destination
+circumlunar.space  permit_auth_destination
+ctrl-c.club        permit_auth_destination
+envs.net           permit_auth_destination
+radiofreqs.space   permit_auth_destination
+rw.rs              permit_auth_destination
+fuckup.club        permit_auth_destination
+grex.org           permit_auth_destination
+hashbang.sh        permit_auth_destination
+nand.sh            permit_auth_destination
+rawtext.club       permit_auth_destination
+sdf.org            permit_auth_destination
+thunix.cf          permit_auth_destination
+thunix.net         permit_auth_destination
+tild3.org          permit_auth_destination
+tilde.chat         permit_auth_destination
+tilde.club         permit_auth_destination
+tilde.institute    permit_auth_destination
+tilde.life         permit_auth_destination
+tilde.news         permit_auth_destination
+tilde.pink         permit_auth_destination
+tilde.site         permit_auth_destination
+tilde.team         permit_auth_destination
+tilde.town         permit_auth_destination
+tilde.wiki         permit_auth_destination
+tilde.wtf          permit_auth_destination
+tilde.zone         permit_auth_destination
+tildegit.org       permit_auth_destination
+tildenet.org       permit_auth_destination
+tilderadio.org     permit_auth_destination
+tildeteam.org      permit_auth_destination
+tildeverse.org     permit_auth_destination
+ttm.sh             permit_auth_destination
+yourtilde.com      permit_auth_destination