IMAP - SMTP
Email IMAP Connection Guide
To connect email services to AiTalk.ch's IMAP/SMTP nodes, many providers require an App Password instead of your regular password. Due to enhanced security policies, direct IMAP connections using regular passwords are blocked by most major email providers.
Why App Passwords Are Required
Most modern email providers have implemented security measures that block third-party applications from accessing accounts with regular passwords. App Passwords provide a secure way to grant access to specific applications without exposing your main account credentials.
Providers requiring App Passwords include:
Google Gmail
Yahoo Mail
iCloud Mail (Apple)
Naver Mail (Korea)
Daum-Kakao Mail (Korea)
And other security-conscious email providers
Prerequisites
To generate an App Password, 2-Step Verification (2FA) must be enabled on your email account. If 2-Step Verification is turned off, the App Password option will not appear.
Provider-Specific Setup Guides
Google Gmail
How to Generate an App Password
In the "How you sign in to Google" section, verify that 2-Step Verification is enabled
After enabling 2-Step Verification, type "App Password" in the search bar at the top of the page
On the App Passwords page, enter an app name (e.g., "AiTalk") and click the Create button
Copy the generated 16-character password
Gmail IMAP/SMTP Settings
Host
imap.gmail.com
smtp.gmail.com
Port
993
587 (TLS) or 465 (SSL)
Password
16-character App Password
Same as IMAP
Security
SSL/TLS
TLS/STARTTLS
Yahoo Mail
How to Generate an App Password
Go to Yahoo Account Security
Enable 2-Step Verification if not already enabled
Scroll down to "Generate app password" or "Manage app passwords"
Select "Other App" and enter a name (e.g., "AiTalk")
Click Generate and copy the password
Yahoo IMAP/SMTP Settings
Host
imap.mail.yahoo.com
smtp.mail.yahoo.com
Port
993
587 (TLS) or 465 (SSL)
Password
App Password
Same as IMAP
Security
SSL/TLS
TLS/STARTTLS
iCloud Mail (Apple)
How to Generate an App-Specific Password
Go to Apple ID Account and sign in
In the Sign-In and Security section, select App-Specific Passwords
Click Generate an app-specific password or the "+" button
Enter a label for the password (e.g., "AiTalk")
Click Create and copy the generated password
Note: Two-Factor Authentication must be enabled for your Apple ID
iCloud IMAP/SMTP Settings
Host
imap.mail.me.com
smtp.mail.me.com
Port
993
587
User
Your full iCloud email address (e.g., [email protected], [email protected], or [email protected])
Same as IMAP
Password
App-Specific Password
Same as IMAP
Security
SSL/TLS
TLS/STARTTLS
Note: iCloud Mail addresses can end in @icloud.com, @me.com, or @mac.com depending on when the account was created. Use whichever address is associated with your account.
Naver Mail (Korea)
How to Generate an App Password
Log in to Naver and go to Mail Settings (메일 설정)
Navigate to POP3/IMAP Settings (POP3/IMAP 설정)
Enable IMAP/SMTP access
Go to Naver Account Security > 2-Step Verification (2단계 인증)
Enable 2-Step Verification
Generate an Application Password (애플리케이션 비밀번호)
Naver IMAP/SMTP Settings
Host
imap.naver.com
smtp.naver.com
Port
993
587
User
Your Naver ID only (without @naver.com)
Same as IMAP
Password
App Password
Same as IMAP
Security
SSL/TLS
TLS/STARTTLS
Daum-Kakao Mail (Korea)
How to Generate an App Password
Log in to Kakao Account
Go to Account Settings (계정 설정) > Security (보안)
Enable 2-Step Verification (2단계 인증)
Navigate to Daum Mail settings and enable IMAP/SMTP access
Generate an App Password (앱 비밀번호) for mail access
Daum-Kakao IMAP/SMTP Settings
Host
imap.daum.net
smtp.daum.net
Port
993
465 (SSL) or 587 (TLS)
Password
App Password
Same as IMAP
Security
SSL/TLS
SSL/TLS or STARTTLS
General Notes
App Passwords are displayed with spaces (e.g.,
xxxx xxxx xxxx xxxx), but AiTalk automatically removes spaces, so you can paste them as-is.App Passwords are single-use credentials — if you revoke one, you'll need to generate a new one.
Keep your App Passwords secure — treat them like regular passwords.
Troubleshooting
App Password option is not visible
Verify that 2-Step Verification is enabled on your account
For Workspace/Enterprise accounts (Google Workspace, company accounts), your administrator may have disabled the App Password feature. Contact your IT administrator
Some providers may require you to enable IMAP/SMTP access separately in mail settings
Connection failure error
Make sure you entered your complete email address in the User field (check provider-specific requirements — some require full email, others only the username)
Verify you are using an App Password, not your regular account password
Try generating a new App Password and attempt the connection again
Check that IMAP/SMTP access is enabled in your email provider's settings
Verify the correct port and security settings are being used
Provider not listed here
If your email provider is not listed but requires App Password authentication:
Check your provider's security settings for 2-Step Verification
Look for "App Passwords," "Application Passwords," or "Third-party app access"
Enable IMAP/SMTP access in your email settings
Use the IMAP/SMTP server addresses provided by your email provider
Need Help?
If you continue to experience connection issues, please contact AiTalk.ch support with:
Your email provider name
The exact error message you're receiving
Confirmation that you're using an App Password (not your regular password)
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