Comodo KoruMail

• Introduction To KoruMail Secure Email Gateway
• Korumail Deployment Process
• Access The System
  • Access Via CLI Console
  • Access Via Web Console
  • The Main Interface
• The Dashboard
  • System Usage Graphics
  • About Software
  • Change Your Password
• User Management
  • Manage Admins And End Users
    • Manage Admins
    • Manage End Users
  • Manage Groups
• System Configurations
  • Network Configuration
    • Interfaces
    • Network Settings
    • Network Time Protocol (NTP)
    • Timezone
    • Static Routes
    • Simple Network Management Protocol SNMP
  • Services
  • Licenses
  • Configure System Settings
    • System General Settings
    • Cache Settings
    • Session Settings
    • GUI Customization
    • System Backup
    • System Restore
    • Log Upload Settings
    • Postmaster Settings
    • SMTP TLS Settings
    • Update Database
    • Syslog Server
  • Logs
    • Log Files
    • Purge Files
  • Tools
    • Check Connectivity
    • Clear SMTP Queue
  • Session Reports
  • System Usage Statistics
• SMTP Configuration
  • SMTP (Send E-Mail Protocol) Settings
    • General Settings
    • Advanced Settings
    • Outbound Delivery Queue
  • Manage Domains
    • Manage Domain Names
    • Manage Domain Routes
    • Manage Smart Hosts
    • Default Domain Routing
  • KoruMail SMTP AUTH Connector
    • SMTP Authentication Settings
    • Block Users
    • Anomaly Detection
  • LDAP/Local DB/My SQL User Database
    • LDAP Profile
    • Local DB Users
    • My SQL User Database
  • Greylist
    • Greylist Ignored IP Addresses/Domains
  • Manage RBL Servers
  • Disclaimer
  • SMPT Relay
  • DomainKeys Identified Mail (DKIM)
  • Outgoing SMTP Limits
  • Incoming SMTP Limits
• Modules
  • Anti-spam
    • Anti-spam General Settings
    • Authorized Trainers
    • Advanced Anti-spam Settings
    • Bayesian Training
    • Content Filter
    • Signature Whitelist
    • Attachment Filter
  • Anti-Virus
    • Anti-Virus General Settings
    • Advanced Anti-Virus Settings
  • KoruMail Reputation Network (KRN)
  • Anti-Spoofing
  • SMTP IPS/FW
    • SMTP IPS General Settings
    • Whitelist IP Addresses
    • Blocked IP Addresses
    • Rate Control
  • Auto Whitelist
  • Containment System
  • Data Leak Prevention (DLP)
  • Attachment Verdict System
• Profile Management
  • Add And Configure A New Profile
    • Edit A Profile
    • Delete A Profile
• Reports
  • Mail Logs Report
  • SMTP Queue Report
  • Delivery Logs Report
  • SMTP-AUTH Logs Report
  • Summary Reports
  • Domain Reports
  • Attachment Verdict Reports
  • Original Mail Requests
• Quarantine & Archive
  • Quarantine & Archive Settings
    • Quarantine & Archive General Settings
    • Email Reports Settings
    • Admin Email Reports Settings
  • Quarantine Logs
  • Archived Mails
• Appendix - KoruMail Versions
• About Comodo Security Solutions

Check Connectivity

Allows administrators to check the connection status of KoruMail to external mail servers and clients, make name server lookups and check telnet connectivity to a remote host.

• Сlick the 'System' tab on the left menu then 'Tools' then the 'Connectivity Checks' tab.
  

You can check for the following:

• Connectivity to a remote SMTP server

• Connectivity to a remote host

• Name server lookup for a remote host or a mail server

• Telnet connectivity for a remote host

To check connection to a SMTP server

• Click 'Test' beside 'SMTP connectivity' from the 'Connectivity Checks' interface.

The 'Check remote SMTP Connectivity' interface will appear.

• Enter the details of the external or remote mail server as given below:

• Host Name or IP Address – The hostname or IP address of the remote SMTP server

• Port – The port used by the server for SMTP connections. This depends on whether or not the server uses SSL for SMTP connections (Default = 25)

• Sender – A valid email address at the local SMTP server to send a test mail to the remote server for testing

• Recipient – A valid email address at the remote SMTP server to which the test email needs to be sent

• Click 'Send'

KoruMail will send a test email to check the connectivity and display the results in the 'Result' field.

To check connectivity to a remote host

• Click 'Test' beside 'Ping' from the 'Connectivity Checks' interface.

The 'Ping' interface will appear.

• Enter the hostname or IP address of the remote host to check whether it can be reached by KoruMail

• Click 'Send'

KoruMail will ping the remote host and display the results in the 'Result' field.

To lookup name server for a remote host

• Click 'Test' beside 'Nslookup' from the 'Connectivity Checks' interface.

The 'Nslookup' interface will appear.

• Enter the hostname or IP address of the remote host to check the domain name associated with it

• Click 'Send'

KoruMail will lookup the name server to identify the domain name associated with the IP address or the hostname and display the results in the 'Result' field.

To check Telnet connectivity to a remote host

• Click 'Test' beside 'Telnet' from the 'Connectivity Checks' interface.

The 'Telnet' interface will appear.

• Enter the hostname or IP address of the remote host to check whether it is connecting through Telnet protocol

• Enter the port use by the remote host for Telnet connections (Default = 25).

• KoruMail send a request 'GET /login.xhtml HTTP/1.0' to the remote host to check the connectivity, If you wish to send a custom request, edit the same in the 'Request' field.

• Click 'Send'

KoruMail will send the request to the remote host for checking the Telnet connectivity and display the results in the 'Result' field.