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
How to enable IMAP/SMTP?
How to enable IMAP/SMTP?
163 Mailbox IMAP/SMTP opening
126 Mailbox IMAP/SMTP opening
QQ Mailbox IMAP/SMTP opening
Sina Mailbox IMAP/SMTP opening
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