diff --git a/code/controllers/subsystem/economy.dm b/code/controllers/subsystem/economy.dm
index aa90ee413cd..c146887ba29 100644
--- a/code/controllers/subsystem/economy.dm
+++ b/code/controllers/subsystem/economy.dm
@@ -65,6 +65,8 @@ SUBSYSTEM_DEF(economy)
 	/// Tracks a temporary sum of all money in the system
 	/// We need this on the subsystem because of yielding and such
 	var/temporary_total = 0
+	/// Determines how many ticks it takes to restock mail
+	var/ticks_per_mail = 2
 
 /datum/controller/subsystem/economy/Initialize()
 	//removes cargo from the split
@@ -90,7 +92,6 @@ SUBSYSTEM_DEF(economy)
 
 /datum/controller/subsystem/economy/fire(resumed = 0)
 	var/seconds_per_tick = wait / (5 MINUTES)
-
 	if(!resumed)
 		temporary_total = 0
 		processing_part = ECON_DEPARTMENT_STEP
@@ -116,8 +117,9 @@ SUBSYSTEM_DEF(economy)
 		if(!HAS_TRAIT(SSeconomy, TRAIT_MARKET_CRASHING) && !price_update())
 			return
 
-	var/effective_mailcount = round(living_player_count()/(inflation_value - 0.5)) //More mail at low inflation, and vis versa.
-	mail_waiting += clamp(effective_mailcount, 1, MAX_MAIL_PER_MINUTE * seconds_per_tick)
+	if(times_fired % ticks_per_mail == 0)
+		var/effective_mailcount = round(living_player_count() / (inflation_value - 0.5)) //More mail at low inflation, and vis versa.
+		mail_waiting += clamp(effective_mailcount, 1, ticks_per_mail * MAX_MAIL_PER_MINUTE * seconds_per_tick)
 
 	SSstock_market.news_string = ""
 
diff --git a/code/modules/security_levels/security_level_datums.dm b/code/modules/security_levels/security_level_datums.dm
index 0ba614a1556..c6d8ed774be 100644
--- a/code/modules/security_levels/security_level_datums.dm
+++ b/code/modules/security_levels/security_level_datums.dm
@@ -35,6 +35,8 @@
 	var/lowering_to_configuration_key
 	/// Our configuration key for elevating to text, if set, will override the default elevating to announcement.
 	var/elevating_to_configuration_key
+	/// if TRUE, stops mail shipments from being sent during this security level
+	var/disables_mail = FALSE
 
 /datum/security_level/New()
 	. = ..()
@@ -92,7 +94,7 @@
 	lowering_to_configuration_key = /datum/config_entry/string/alert_red_downto
 	elevating_to_configuration_key = /datum/config_entry/string/alert_red_upto
 	shuttle_call_time_mod = ALERT_COEFF_RED
-
+	disables_mail = TRUE
 /**
  * DELTA
  *
@@ -108,3 +110,4 @@
 	fire_alarm_light_color = LIGHT_COLOR_INTENSE_RED
 	elevating_to_configuration_key = /datum/config_entry/string/alert_delta
 	shuttle_call_time_mod = ALERT_COEFF_DELTA
+	disables_mail = TRUE
diff --git a/code/modules/shuttle/mobile_port/variants/supply.dm b/code/modules/shuttle/mobile_port/variants/supply.dm
index 54f7548aff2..c6d37d81a64 100644
--- a/code/modules/shuttle/mobile_port/variants/supply.dm
+++ b/code/modules/shuttle/mobile_port/variants/supply.dm
@@ -306,7 +306,7 @@ GLOBAL_LIST_INIT(blacklisted_cargo_types, typecacheof(list(
 */
 /obj/docking_port/mobile/supply/proc/create_mail()
 	//Early return if there's no mail waiting to prevent taking up a slot. We also don't send mails on sundays or holidays.
-	if(!SSeconomy.mail_waiting || SSeconomy.mail_blocked)
+	if(!SSeconomy.mail_waiting || SSeconomy.mail_blocked || SSsecurity_level.current_security_level.disables_mail)
 		return
 
 	//spawn crate