diff --git a/packages/snjs/lib/Application/Application.ts b/packages/snjs/lib/Application/Application.ts
index f44bc95bb62..500eae0f5cb 100644
--- a/packages/snjs/lib/Application/Application.ts
+++ b/packages/snjs/lib/Application/Application.ts
@@ -206,6 +206,7 @@ export class SNApplication implements ApplicationInterface, AppGroupManagedAppli
       'identifier',
       'defaultHost',
       'appVersion',
+      'apiVersion',
     ]
 
     for (const optionName of requiredOptions) {
diff --git a/packages/snjs/lib/Services/Api/ApiService.ts b/packages/snjs/lib/Services/Api/ApiService.ts
index 54848fac06e..2e2bd4dd489 100644
--- a/packages/snjs/lib/Services/Api/ApiService.ts
+++ b/packages/snjs/lib/Services/Api/ApiService.ts
@@ -588,6 +588,26 @@ export class LegacyApiService
     })
   }
 
+  async updateSubscriptionSetting(
+    userUuid: UuidString,
+    settingName: string,
+    settingValue: string | null,
+    sensitive: boolean,
+  ): Promise<HttpResponse<UpdateSettingResponse>> {
+    const params = {
+      name: settingName,
+      value: settingValue,
+      sensitive: sensitive,
+    }
+    return this.tokenRefreshableRequest<UpdateSettingResponse>({
+      verb: HttpVerb.Put,
+      url: joinPaths(this.host, Paths.v1.subscriptionSettings(userUuid)),
+      authentication: this.getSessionAccessToken(),
+      fallbackErrorMessage: API_MESSAGE_FAILED_UPDATE_SETTINGS,
+      params,
+    })
+  }
+
   async deleteSetting(userUuid: UuidString, settingName: string): Promise<HttpResponse<DeleteSettingResponse>> {
     return this.tokenRefreshableRequest<DeleteSettingResponse>({
       verb: HttpVerb.Delete,
diff --git a/packages/snjs/lib/Services/Api/Paths.ts b/packages/snjs/lib/Services/Api/Paths.ts
index 7a78f916bd7..077b8ee9fc8 100644
--- a/packages/snjs/lib/Services/Api/Paths.ts
+++ b/packages/snjs/lib/Services/Api/Paths.ts
@@ -42,6 +42,7 @@ const SettingsPaths = {
   setting: (userUuid: string, settingName: string) => `/v1/users/${userUuid}/settings/${settingName}`,
   subscriptionSetting: (userUuid: string, settingName: string) =>
     `/v1/users/${userUuid}/subscription-settings/${settingName}`,
+  subscriptionSettings: (userUuid: string) => `/v1/users/${userUuid}/subscription-settings`,
 }
 
 const SubscriptionPaths = {
diff --git a/packages/snjs/lib/Services/Settings/SNSettingsService.ts b/packages/snjs/lib/Services/Settings/SNSettingsService.ts
index 030e99ccbc9..80441ea3e39 100644
--- a/packages/snjs/lib/Services/Settings/SNSettingsService.ts
+++ b/packages/snjs/lib/Services/Settings/SNSettingsService.ts
@@ -38,6 +38,10 @@ export class SettingsService extends AbstractService implements SettingsClientIn
     return this.provider.getSubscriptionSetting(name)
   }
 
+  async updateSubscriptionSetting(name: SettingName, payload: string, sensitive = false) {
+    return this.provider.updateSetting(name, payload, sensitive)
+  }
+
   async updateSetting(name: SettingName, payload: string, sensitive = false) {
     return this.provider.updateSetting(name, payload, sensitive)
   }
diff --git a/packages/snjs/lib/Services/Settings/SettingsServerInterface.ts b/packages/snjs/lib/Services/Settings/SettingsServerInterface.ts
index 3c05dde898f..db3a253dfb0 100644
--- a/packages/snjs/lib/Services/Settings/SettingsServerInterface.ts
+++ b/packages/snjs/lib/Services/Settings/SettingsServerInterface.ts
@@ -21,5 +21,12 @@ export interface SettingsServerInterface {
 
   getSubscriptionSetting(userUuid: UuidString, settingName: string): Promise<HttpResponse<GetSettingResponse>>
 
+  updateSubscriptionSetting(
+    userUuid: UuidString,
+    settingName: string,
+    settingValue: string,
+    sensitive: boolean,
+  ): Promise<HttpResponse<UpdateSettingResponse>>
+
   deleteSetting(userUuid: UuidString, settingName: string): Promise<HttpResponse<DeleteSettingResponse>>
 }
diff --git a/packages/snjs/mocha/lib/Applications.js b/packages/snjs/mocha/lib/Applications.js
index 958ed4a3246..000310131dd 100644
--- a/packages/snjs/mocha/lib/Applications.js
+++ b/packages/snjs/mocha/lib/Applications.js
@@ -22,7 +22,7 @@ export function createApplicationWithOptions({ identifier, environment, platform
     defaultHost: host || Defaults.getDefaultHost(),
     appVersion: Defaults.getAppVersion(),
     webSocketUrl: Defaults.getDefaultWebSocketUrl(),
-    apiVersion: ApiVersion.V1,
+    apiVersion: ApiVersion.v0,
     syncCallsThresholdPerMinute,
   })
 }
diff --git a/packages/web/src/javascripts/Components/Preferences/Panes/Account/Email/Email.tsx b/packages/web/src/javascripts/Components/Preferences/Panes/Account/Email/Email.tsx
index 540aac9b970..c2c5a908367 100644
--- a/packages/web/src/javascripts/Components/Preferences/Panes/Account/Email/Email.tsx
+++ b/packages/web/src/javascripts/Components/Preferences/Panes/Account/Email/Email.tsx
@@ -42,6 +42,16 @@ const Email: FunctionComponent<Props> = ({ application }: Props) => {
     }
   }
 
+  const updateSubscriptionSetting = async (settingName: SettingName, payload: string): Promise<boolean> => {
+    try {
+      await application.settings.updateSubscriptionSetting(settingName, payload, false)
+      return true
+    } catch (e) {
+      application.alerts.alert(STRING_FAILED_TO_UPDATE_USER_SETTING).catch(console.error)
+      return false
+    }
+  }
+
   const loadSettings = useCallback(async () => {
     if (!application.sessions.getUser()) {
       return
@@ -79,7 +89,7 @@ const Email: FunctionComponent<Props> = ({ application }: Props) => {
       previousValue === MuteSignInEmailsOption.Muted ? MuteSignInEmailsOption.NotMuted : MuteSignInEmailsOption.Muted
     setSignInEmailsMutedValue(newValue)
 
-    const updateResult = await updateSetting(
+    const updateResult = await updateSubscriptionSetting(
       SettingName.create(SettingName.NAMES.MuteSignInEmails).getValue(),
       newValue,
     )