diff --git a/cypress/e2e/configuration/customer.js b/cypress/e2e/configuration/customer.js
index 6949e8f36..9d78a3240 100644
--- a/cypress/e2e/configuration/customer.js
+++ b/cypress/e2e/configuration/customer.js
@@ -71,7 +71,9 @@ describe("Tests for customer", () => {
           expect(customer.lastName, "Expect correct last name").to.eq(
             randomName,
           );
-          expect(customer.email, "Expect correct email").to.eq(email);
+          expect(customer.email, "Expect correct email").to.eq(
+            email.toLowerCase(),
+          );
           expect(customer.note, "Expect correct note").to.eq(note);
           cy.expectCorrectFullAddress(customer.addresses[0], address);
         });
@@ -277,7 +279,7 @@ describe("Tests for customer", () => {
           );
           expect(user.lastName, "Expect correct last name").to.eq(updatedName);
           expect(user.email, "Expect correct email").to.eq(
-            `${updatedName}@example.com`,
+            `${updatedName}@example.com`.toLowerCase(),
           );
           expect(user.note, "Expect correct note").to.eq(updatedName);
         });
diff --git a/cypress/e2e/staffMembers.js b/cypress/e2e/staffMembers.js
index caec8b870..947bf4c77 100644
--- a/cypress/e2e/staffMembers.js
+++ b/cypress/e2e/staffMembers.js
@@ -91,18 +91,22 @@ describe("Staff members", () => {
   );
 
   it("should activate user", { tags: ["@staffMembers", "@stagedOnly"] }, () => {
+    const serverStoredEmail = email.toLowerCase();
+
     updateStaffMember({ userId: user.id, isActive: false });
     updateUserActiveFlag(user.id);
     cy.clearSessionData()
       .loginUserViaRequest("auth", { email, password })
       .visit(urlList.homePage);
-    expectWelcomeMessageIncludes(email);
+    expectWelcomeMessageIncludes(serverStoredEmail);
   });
 
   it(
     "should remove user permissions",
     { tags: ["@staffMembers", "@stagedOnly"] },
     () => {
+      const serverStoredEmail = email.toLowerCase();
+
       cy.visit(userDetailsUrl(user.id))
         .get(STAFF_MEMBER_DETAILS.removePermissionButton)
         .click()
@@ -114,7 +118,7 @@ describe("Staff members", () => {
         .clearSessionData()
         .loginUserViaRequest("auth", { email, password })
         .visit(urlList.homePage);
-      expectWelcomeMessageIncludes(email);
+      expectWelcomeMessageIncludes(serverStoredEmail);
       getDisplayedSelectors().then(displayedSelectors => {
         expect(Object.values(displayedSelectors)).to.have.length(1);
         expect(Object.values(displayedSelectors)[0]).to.eq(
diff --git a/cypress/support/api/requests/Customer.js b/cypress/support/api/requests/Customer.js
index 40e12d7ef..310137467 100644
--- a/cypress/support/api/requests/Customer.js
+++ b/cypress/support/api/requests/Customer.js
@@ -1,14 +1,14 @@
 import {
   getDefaultAddress,
   getDefaultAddressWithoutType,
-  getValueWithDefault
+  getValueWithDefault,
 } from "./utils/Utils";
 
 export function createCustomer(email, customerName, address, isActive = false) {
   const addressesLines = getValueWithDefault(
     address,
     `${getDefaultAddress(address, "defaultBillingAddress")}
-    ${getDefaultAddress(address, "defaultShippingAddress")}`
+    ${getDefaultAddress(address, "defaultShippingAddress")}`,
   );
   const mutation = `
   mutation{
@@ -76,7 +76,7 @@ export function getCustomers(startsWith) {
 export function customerRegistration({
   email,
   password = Cypress.env("USER_PASSWORD"),
-  channel
+  channel,
 }) {
   const mutation = `mutation{
     accountRegister(input:{
@@ -113,8 +113,10 @@ export function requestPasswordReset(email, channel) {
 }
 
 export function confirmAccount(email, token) {
+  const serverStoredEmail = email.toLowerCase();
+
   const mutation = `mutation{
-    confirmAccount(email:"${email}", token:"${token}"){
+    confirmAccount(email:"${serverStoredEmail}", token:"${token}"){
       user{
         email
       }
diff --git a/cypress/support/api/utils/users.js b/cypress/support/api/utils/users.js
index 709fc950b..7422a32c6 100644
--- a/cypress/support/api/utils/users.js
+++ b/cypress/support/api/utils/users.js
@@ -23,14 +23,18 @@ export function inviteStaffMemberWithFirstPermission({
  * It cloud happened that invite email from saleor has not been received yet, so in this case the action should be retried.
  */
 export function getMailActivationLinkForUser(email, regex, i = 0) {
+  const serverStoredEmail = email.toLowerCase();
+
   const urlRegex = regex ? regex : /\[\w*password\w*\]\(([^\)]*)/;
   if (i > 3) {
-    throw new Error(`There is no email invitation for user ${email}`);
+    throw new Error(
+      `There is no email invitation for user ${serverStoredEmail}`,
+    );
   }
-  return cy.mhGetMailsByRecipient(email).should(mails => {
+  return cy.mhGetMailsByRecipient(serverStoredEmail).should(mails => {
     if (!mails.length) {
       cy.wait(10000);
-      getMailActivationLinkForUser(email, regex, i + 1);
+      getMailActivationLinkForUser(serverStoredEmail, regex, i + 1);
     } else {
       cy.wrap(mails)
         .mhFirst()
@@ -45,20 +49,28 @@ export function getMailActivationLinkForUser(email, regex, i = 0) {
 }
 
 export function getMailActivationLinkForUserAndSubject(email, subject, i = 0) {
+  const serverStoredEmail = email.toLowerCase();
+
   if (i > 3) {
-    throw new Error(`There is no email invitation for user ${email}`);
+    throw new Error(
+      `There is no email invitation for user ${serverStoredEmail}`,
+    );
   }
-  return cy.mhGetMailsByRecipient(email).should(mails => {
+  return cy.mhGetMailsByRecipient(serverStoredEmail).should(mails => {
     if (!mails.length) {
       cy.wait(10000);
-      getMailActivationLinkForUserAndSubject(email, subject, i + 1);
+      getMailActivationLinkForUserAndSubject(serverStoredEmail, subject, i + 1);
     } else {
       cy.wrap(mails)
         .mhGetMailsBySubject(subject)
         .should(mailsWithSubject => {
           if (!mailsWithSubject.length) {
             cy.wait(10000);
-            getMailActivationLinkForUserAndSubject(email, subject, i + 1);
+            getMailActivationLinkForUserAndSubject(
+              serverStoredEmail,
+              subject,
+              i + 1,
+            );
           } else {
             cy.wrap(mailsWithSubject)
               .mhFirst()
@@ -79,13 +91,17 @@ export function getMailActivationLinkForUserAndSubject(email, subject, i = 0) {
 }
 
 export function getMailWithResetPasswordLink(email, subject, i = 0) {
+  const serverStoredEmail = email.toLowerCase();
+
   if (i > 5) {
-    throw new Error(`There is no email with reset password for user ${email}`);
+    throw new Error(
+      `There is no email with reset password for user ${serverStoredEmail}`,
+    );
   }
-  return cy.mhGetMailsByRecipient(email).should(mails => {
+  return cy.mhGetMailsByRecipient(serverStoredEmail).should(mails => {
     if (!mails.length) {
       cy.wait(3000);
-      getMailWithResetPasswordLink(email, subject, i + 1);
+      getMailWithResetPasswordLink(serverStoredEmail, subject, i + 1);
     } else {
       cy.mhGetMailsBySubject(subject);
       return mails;
@@ -94,13 +110,17 @@ export function getMailWithResetPasswordLink(email, subject, i = 0) {
 }
 
 export function getMailsForUser(email, i = 0) {
+  const serverStoredEmail = email.toLowerCase();
+
   if (i > 5) {
-    throw new Error(`There is no email invitation for user ${email}`);
+    throw new Error(
+      `There is no email invitation for user ${serverStoredEmail}`,
+    );
   }
-  return cy.mhGetMailsByRecipient(email).should(mails => {
+  return cy.mhGetMailsByRecipient(serverStoredEmail).should(mails => {
     if (!mails.length) {
       cy.wait(3000);
-      getMailsForUser(email, i + 1);
+      getMailsForUser(serverStoredEmail, i + 1);
     } else {
       return mails;
     }
diff --git a/cypress/support/pages/draftOrderPage.js b/cypress/support/pages/draftOrderPage.js
index 0abb13583..0392eddb2 100644
--- a/cypress/support/pages/draftOrderPage.js
+++ b/cypress/support/pages/draftOrderPage.js
@@ -12,7 +12,9 @@ export function finalizeDraftOrder(name) {
     .get(DRAFT_ORDER_SELECTORS.selectCustomer)
     .type(name);
   return cy
-    .contains(DRAFT_ORDER_SELECTORS.selectCustomerOption, name)
+    .contains(DRAFT_ORDER_SELECTORS.selectCustomerOption, name, {
+      matchCase: false,
+    })
     .click()
     .get(DRAFT_ORDER_SELECTORS.customerEmail)
     .should("be.visible")