diff --git a/services/web/app/src/Features/Subscription/SubscriptionEmailHandler.js b/services/web/app/src/Features/Subscription/SubscriptionEmailHandler.js
index 844ea9a6ed..c0b32d76bd 100644
--- a/services/web/app/src/Features/Subscription/SubscriptionEmailHandler.js
+++ b/services/web/app/src/Features/Subscription/SubscriptionEmailHandler.js
@@ -2,6 +2,7 @@ const EmailHandler = require('../Email/EmailHandler')
 const UserGetter = require('../User/UserGetter')
 require('./SubscriptionEmailBuilder')
 const PlansLocator = require('./PlansLocator')
+const Settings = require('@overleaf/settings')
 
 const SubscriptionEmailHandler = {
   async sendTrialOnboardingEmail(userId, planCode) {
@@ -13,13 +14,15 @@ const SubscriptionEmailHandler = {
     if (!plan) {
       throw new Error('unknown paid plan: ' + planCode)
     }
-    const emailOptions = {
-      to: user.email,
-      sendingUser_id: userId,
-      planName: plan.name,
-      features: plan.features,
+    if (Settings.enableOnboardingEmails) {
+      const emailOptions = {
+        to: user.email,
+        sendingUser_id: userId,
+        planName: plan.name,
+        features: plan.features,
+      }
+      await EmailHandler.promises.sendEmail('trialOnboarding', emailOptions)
     }
-    await EmailHandler.promises.sendEmail('trialOnboarding', emailOptions)
   },
 }
 
diff --git a/services/web/app/src/Features/User/UserOnboardingEmailManager.js b/services/web/app/src/Features/User/UserOnboardingEmailManager.js
index 5adaae6a31..dd984c4bd2 100644
--- a/services/web/app/src/Features/User/UserOnboardingEmailManager.js
+++ b/services/web/app/src/Features/User/UserOnboardingEmailManager.js
@@ -2,6 +2,7 @@ const Queues = require('../../infrastructure/Queues')
 const EmailHandler = require('../Email/EmailHandler')
 const UserUpdater = require('./UserUpdater')
 const UserGetter = require('./UserGetter')
+const Settings = require('@overleaf/settings')
 
 const ONE_DAY_MS = 24 * 60 * 60 * 1000
 
@@ -15,7 +16,7 @@ async function scheduleOnboardingEmail(user) {
 
 async function sendOnboardingEmail(userId) {
   const user = await UserGetter.promises.getUser({ _id: userId }, { email: 1 })
-  if (user) {
+  if (Settings.enableOnboardingEmails && user) {
     await EmailHandler.promises.sendEmail('userOnboardingEmail', {
       to: user.email,
     })
diff --git a/services/web/config/settings.defaults.js b/services/web/config/settings.defaults.js
index 15168f4ebb..923d76d12f 100644
--- a/services/web/config/settings.defaults.js
+++ b/services/web/config/settings.defaults.js
@@ -397,6 +397,7 @@ module.exports = {
 
   enableSubscriptions: false,
   restrictedCountries: [],
+  enableOnboardingEmails: process.env.ENABLE_ONBOARDING_EMAILS === 'true',
 
   enabledLinkedFileTypes: (process.env.ENABLED_LINKED_FILE_TYPES || '').split(
     ','
diff --git a/services/web/test/unit/src/Subscription/SubscriptionEmailHandlerTests.js b/services/web/test/unit/src/Subscription/SubscriptionEmailHandlerTests.js
index 11a4abeff4..c3fca396a9 100644
--- a/services/web/test/unit/src/Subscription/SubscriptionEmailHandlerTests.js
+++ b/services/web/test/unit/src/Subscription/SubscriptionEmailHandlerTests.js
@@ -29,27 +29,45 @@ describe('SubscriptionEmailHandler', function () {
             features: { collaborators: 42 },
           }),
         }),
+        '@overleaf/settings': (this.Settings = {
+          enableOnboardingEmails: true,
+        }),
       },
     })
   })
 
-  it('sends trail onboarding email', async function () {
-    await this.SubscriptionEmailHandler.sendTrialOnboardingEmail(
-      this.userId,
-      'foo-plan-code'
-    )
+  describe('when onboarding emails are disabled', function () {
+    beforeEach(function () {
+      this.Settings.enableOnboardingEmails = false
+    })
+    it('does not send a trial onboarding email', async function () {
+      await this.SubscriptionEmailHandler.sendTrialOnboardingEmail(
+        this.userId,
+        'foo-plan-code'
+      )
+      expect(this.EmailHandler.promises.sendEmail).to.not.have.been.called
+    })
+  })
 
-    expect(this.PlansLocator.findLocalPlanInSettings).to.have.been.calledWith(
-      'foo-plan-code'
-    )
-    expect(this.EmailHandler.promises.sendEmail.lastCall.args).to.deep.equal([
-      'trialOnboarding',
-      {
-        to: this.email,
-        sendingUser_id: this.userId,
-        planName: 'foo',
-        features: { collaborators: 42 },
-      },
-    ])
+  describe('when onboarding emails are enabled', function () {
+    it('sends trial onboarding email', async function () {
+      await this.SubscriptionEmailHandler.sendTrialOnboardingEmail(
+        this.userId,
+        'foo-plan-code'
+      )
+
+      expect(this.PlansLocator.findLocalPlanInSettings).to.have.been.calledWith(
+        'foo-plan-code'
+      )
+      expect(this.EmailHandler.promises.sendEmail.lastCall.args).to.deep.equal([
+        'trialOnboarding',
+        {
+          to: this.email,
+          sendingUser_id: this.userId,
+          planName: 'foo',
+          features: { collaborators: 42 },
+        },
+      ])
+    })
   })
 })
diff --git a/services/web/test/unit/src/User/UserOnboardingEmailManagerTests.js b/services/web/test/unit/src/User/UserOnboardingEmailManagerTests.js
index 2980c80a9e..3243695dde 100644
--- a/services/web/test/unit/src/User/UserOnboardingEmailManagerTests.js
+++ b/services/web/test/unit/src/User/UserOnboardingEmailManagerTests.js
@@ -49,6 +49,9 @@ describe('UserOnboardingEmailManager', function () {
         '../Email/EmailHandler': this.EmailHandler,
         './UserGetter': this.UserGetter,
         './UserUpdater': this.UserUpdater,
+        '@overleaf/settings': (this.Settings = {
+          enableOnboardingEmails: true,
+        }),
       },
     })
   })
@@ -68,26 +71,42 @@ describe('UserOnboardingEmailManager', function () {
   })
 
   describe('sendOnboardingEmail', function () {
-    it('should send onboarding email and update user', async function () {
-      await this.UserOnboardingEmailManager.sendOnboardingEmail(this.fakeUserId)
-      expect(this.EmailHandler.promises.sendEmail).to.have.been.calledWith(
-        'userOnboardingEmail',
-        {
-          to: this.fakeUserEmail,
-        }
-      )
-      expect(this.UserUpdater.promises.updateUser).to.have.been.calledWith(
-        this.fakeUserId,
-        { $set: { onboardingEmailSentAt: sinon.match.date } }
-      )
-    })
-
-    it('should stop if user is not found', async function () {
-      await this.UserOnboardingEmailManager.sendOnboardingEmail({
-        data: { userId: 'deleted-user' },
+    describe('when onboarding emails are disabled', function () {
+      beforeEach(function () {
+        this.Settings.enableOnboardingEmails = false
+      })
+      it('should not send onboarding email', async function () {
+        await this.UserOnboardingEmailManager.sendOnboardingEmail(
+          this.fakeUserId
+        )
+        expect(this.EmailHandler.promises.sendEmail).not.to.have.been.called
+        expect(this.UserUpdater.promises.updateUser).not.to.have.been.called
+      })
+    })
+    describe('when onboarding emails are enabled', function () {
+      it('should send onboarding email and update user', async function () {
+        await this.UserOnboardingEmailManager.sendOnboardingEmail(
+          this.fakeUserId
+        )
+        expect(this.EmailHandler.promises.sendEmail).to.have.been.calledWith(
+          'userOnboardingEmail',
+          {
+            to: this.fakeUserEmail,
+          }
+        )
+        expect(this.UserUpdater.promises.updateUser).to.have.been.calledWith(
+          this.fakeUserId,
+          { $set: { onboardingEmailSentAt: sinon.match.date } }
+        )
+      })
+
+      it('should stop if user is not found', async function () {
+        await this.UserOnboardingEmailManager.sendOnboardingEmail({
+          data: { userId: 'deleted-user' },
+        })
+        expect(this.EmailHandler.promises.sendEmail).not.to.have.been.called
+        expect(this.UserUpdater.promises.updateUser).not.to.have.been.called
       })
-      expect(this.EmailHandler.promises.sendEmail).not.to.have.been.called
-      expect(this.UserUpdater.promises.updateUser).not.to.have.been.called
     })
   })
 })