• Coremail Lunkr Client Help Center
  • Quick Introduction to Coremail Lunkr
    • Coremail Lunkr Privacy Policy
    • Coremail SDK Privacy Policy
    • Software License and Terms of Service
  • Download and Login
    • Download, Install and Update
      • How to download the client?
      • What should I do if the installation fails?
      • Supported devices and operating systems
      • How to update the client?
      • How to migrate data when reinstalling or changing devices?
    • Account Login
      • How to log in/configure an account?
      • How to log in to multiple accounts/switch accounts?
      • How to retrieve/change password?
      • Unable to log in?
      • App crashes after logging in?
      • Messages not loading after logging in?
      • Organization directory is blank after logging in?
      • What are the differences between Coremail, IMAP, and POP protocols?
      • How to enable IMAP/SMTP?
        • 163 Mail IMAP/SMTP Setup
        • 126 Mail IMAP/SMTP Setup
        • QQ Mail IMAP/SMTP Setup
        • Sina Mail IMAP/SMTP Setup
    • Personal Settings
      • How to change avatar and modify personal information?
      • How to set a personal label?
      • How to set up multi-device login notifications?
  • Mail
    • Email Sending and Receiving
      • Why can't my mailbox receive emails or email receiving fails?
      • Why am I not receiving or finding new emails?
      • Why do I receive a system bounce after sending an email?
      • How to receive all historical emails?
      • What should I do if there is a delay in receiving emails?
      • How to recall a sent email?
      • Why can't I send emails or email sending fails?
    • Email Management
      • How to classify emails?
      • How to set up To-Do emails?
      • Why is the new email signature not synced to other devices?
      • What is Email Archive?
      • How to move emails to another folder?
      • How to set up new email notifications?
      • Why aren't all emails shown in new emails on mobile?
      • Client taking up too much space or running out of disk?
      • How to change the email data storage path?
      • How to import Outlook email data?
      • How to import Foxmail email data?
      • Why are there no sent emails in the Sent folder?
    • Advanced Email Features
      • How to set up a shared mailbox?
      • How to use Scheduled Sending?
      • What is Individual Send?
      • What is Self-Destructing Email?
      • What is a Read Receipt?
  • Instant Messaging
    • Discussion/Broadcast/Enterprise Group
      • How to create an Enterprise Group?
      • How to create a Broadcast?
      • How to create a Discussion?
      • What are the differences between Enterprise Group, Broadcast and Discussion?
      • How to categorize discussions?
      • What is the maximum number of members in a Discussion/Broadcast/Enterprise Group?
    • Message Operations
      • How long is the time limit for recalling a message?
      • What is a Summary? How to add/view/delete a Summary?
      • How to view favorited files and images?
      • How to send a read receipt message and check the receipt status?
      • How to create a poll and collect poll results?
      • What should I do if I can't send messages?
      • What should I do if file transfer is restricted?
      • Can't receive message notifications?
      • How long is the recording time for voice messages?
      • How to view and delete history messages?
      • Are message records kept after leaving a discussion?
    • Session Management
      • How to delete a conversation from the chat list?
      • How to turn off session notifications?
      • How to turn on new message notifications?
      • Why do I still receive push notifications after closing the app?
      • How to transfer the discussion creator after they leave?
      • Invited to a discussion but can't find it?
  • Contacts & Schedule
    • Contacts
      • Does Contacts support automatic sync?
      • What is the PC_Mail organization directory?
      • How to add and view starred contacts?
      • How to create new personal contacts and groups?
    • Schedule
      • PC_Mail cannot initiate a meeting?
      • Newly created schedule not syncing to other clients?
      • How often does the schedule sync (sync logic)?
      • How to set up a shared schedule?
      • How to create a new schedule in a session?
  • Collaboration
    • Cloud Drive, Business Card & Invoice
      • Cloud Drive permissions
      • How to upload Cloud Drive files in a session?
      • How to set up a business card?
      • How to modify corporate invoices?
    • Caller ID
    • Red Packet
  • Other Features
    • Client Security
      • How to enable Security Lock?
      • What is the Advanced Security Mode on mobile for?
      • Why can't the Safe Mode of PC_Mail be set?
      • Two-Factor Authentication Instructions
    • Feature Tips
    • Security Certificate
    • Multi-language
    • Shortcuts
  • Published with GitBook

Download and Login

Download and Login

  • Download, install and upgrade

How to download the client?
What should I do if the installation fails?
Supported devices and operating systems
How to update the client?
How to migrate data if I reinstall the computer or change the device?

  • Account login

How to log in/configure account?
How to log in to multiple accounts/switch accounts?
How to retrieve/change password?
Can't log in to your account?
A crash occurs after logging in?
Messages not loading after logging in?
The Organization Directory is blank after logging in?
What are the differences between Coremail\IMAP\POP protocols?
How to enable IMAP/SMTP?

  • Personal settings

How to change avatar and modify personal information?
How to set a personal label?
How to set a message reminder when logging in from multiple terminals?

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