diff --git a/.github/workflows/deploy-preview.yml b/.github/workflows/deploy-preview.yml
index 5db44de5c..43beb22fa 100644
--- a/.github/workflows/deploy-preview.yml
+++ b/.github/workflows/deploy-preview.yml
@@ -2,7 +2,7 @@ name: CD Azure (preview)
 
 on:
   # Uncomment for testing:
-  # pull_request:
+  pull_request:
   pull_request_target:
     types: [opened, synchronize, reopened, labeled]
   workflow_dispatch:
@@ -168,5 +168,6 @@ jobs:
           TEST_URL: ${{ steps.deploy_web.outputs.url }}
           # The tests need these tokens to run, but their actual value should not matter
           NUXT_GITHUB_REPO_TOKEN: 'SIGNAL_TO_RUN_TEST'
-          # Re-enable when email sending in the test environment is fixed
-          #NUXT_EMAIL_CLIENT: 'SIGNAL_TO_RUN_TEST'
+           # enable to run email tests
+          NUXT_EMAIL_CLIENT: 'SIGNAL_TO_RUN_TEST'
+          NUXT_MAILSAC_KEY: ${{ secrets.MAILSAC_API_KEY }}
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 4f3558c94..aa7b96af5 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -144,5 +144,6 @@ jobs:
           TEST_URL: ${{ matrix.url }}
           # The tests need these tokens to run, but their actual value should not matter
           NUXT_GITHUB_REPO_TOKEN: 'SIGNAL_TO_RUN_TEST'
-          # Re-enable when email sending in the test environment is fixed
-          # NUXT_EMAIL_CLIENT: 'SIGNAL_TO_RUN_TEST'
+           # enable to run email tests
+          NUXT_EMAIL_CLIENT: 'SIGNAL_TO_RUN_TEST'
+          NUXT_MAILSAC_KEY: ${{ secrets.MAILSAC_API_KEY }}
\ No newline at end of file
diff --git a/test/email.ts b/test/email.ts
index f9503ba92..909541da4 100644
--- a/test/email.ts
+++ b/test/email.ts
@@ -1,22 +1,50 @@
 interface EmailMessage {
   from: string
   subject: string
-  date: string
-  body: string
+  received: string //Date in ISO 8601
   textBody: string
-  htmlBody: string
+  // body: string
+  // htmlBody: string
+}
+
+interface MailAddress {
+  address: string
+  name: string
+}
+
+interface MailsacResponse {
+  _id: string
+  from: MailAddress[]
+  to: MailAddress[]
+  subject: string
+  received: string //Date in ISO 8601
 }
 
 export function getTemporaryEmail(): string {
   const randomId = Math.floor(Math.random() * 10000)
-  return `jabref-test${randomId}@1secmail.com`
+  return `jabref-test${randomId}@mailsac.com`
 }
 export async function getEmail(email: string): Promise<EmailMessage> {
+
+  if(!process.env.NUXT_MAILSAC_KEY || process.env.NUXT_MAILSAC_KEY === 'none') {
+    throw new Error('No Mailsac API key configured')
+  }
+
+  const headers = {
+    'mailsac-key': process.env.NUXT_MAILSAC_KEY,
+  }
+  
+
   const [login, domain] = email.split('@')
   const response = await fetch(
-    `https://www.1secmail.com/api/v1/?action=getMessages&login=${login}&domain=${domain}`,
+    `https://mailsac.com/api/addresses/${login}@${domain}/messages`,
+    {
+      headers
+    },
   )
-  const messages = (await response.json()) as { id: string }[]
+
+  const messages = (await response.json()) as MailsacResponse[]
+
   if (messages.length === 0) {
     // Try again in 1 second if there are no messages
     return new Promise((resolve) => {
@@ -26,9 +54,20 @@ export async function getEmail(email: string): Promise<EmailMessage> {
     })
   }
   const message = messages[0]!
+
   const messageResponse = await fetch(
-    `https://www.1secmail.com/api/v1/?action=readMessage&login=${login}&domain=${domain}&id=${message.id}`,
+    `https://mailsac.com/api/text/${login}@${domain}/${message._id}`,
+    {
+      headers,
+    },
   )
-  const messageJson = await messageResponse.json()
-  return messageJson
+
+  const messageData = (await messageResponse.text()) as string
+
+  return {
+    from: message.from[0]!.address,
+    subject: message.subject,
+    received: message.received,
+    textBody: messageData,
+  }
 }