Detailed Configuration Instructions
Detailed Configuration Instructions
Basic Settings Instructions
Click Options button on the toolbar.
Run as LAN mail server, Run as INTERNET mail server
and Run as LAN/Dial-up mail server: These are types of mail
server you can choose from.
Enable ESMTP: This is used to set SMTP account and password
Run as NT service: This can launch NT service (only for Win
Enable Mail Proxy: It is used to open mail proxy and enable
client to send and receive email via CMailServer mail proxy.
Single Domain: It is used to set CMailServer as a single
domain mail server.
Multiple Domain: It is used to set CMailServer as a multiple
domain mail server.
Advanced Settings Instructions
Click Options -> Advanced
Primary Internet DNS: This is used to set the Internet DNS
server address. When sending email to other Internet mailing address,
the mail server should obtain the MX record of target mailing address
via the Internet DNS server.
Secondary Internet DNS: This is used to set the secondary
Internet DNS server address. When access to primary Internet DNS
fails, CMailServer uses the secondary Internet DNS to analyze the
mailing address (optional).
Maximum Tries: If email sending fails, CMailServer will try
again. This item is used to set the maximum number of tries.
Time Interval Before Next Try: This is used to set the time
interval between each try.
Try ISP SMTP if direct sending failed: Some Internet mail
servers use IP filter function to block spam emails. It also may
block the regular emails from your mail server. CMailServer uses
this option to solve this problem. CMailServer sends mail to the
ISP smtp server first, then ISP forwards this email to the destination
ISP SMTP server: input a popular email ISP SMTP server address.
ISP email address: input an ISP email address.
Sign-up of Mail Account Needs Authorization: This is used
to manage the registration of mail accounts. With this option selected,
the user can register an account but the account is disabled until
the administrator activates it.
Local Mail Address Can Be Abbreviated: If this option is
selected, when sending email to local user, you only need to input
the target mail address as the target mail user account.
The "@MailDomainName" part can be ignored.
Default Mailbox Size: This is used to set the default size
of new mailbox.
Enable Sign up Account Via Web Mail: This enables or disables
the signup service in web mail.
Copy All the Mails to Mail Address: This is used to copy
all the emails within CMailServer to a referred mailbox, which can
be used as email backup.
Check POP3 Mail: This enables receiving remote pop3 emails
within time interval.
The CMailServer log service can log all the events of mail server.
Sys log: Saves all the mail server events.
SMTP log: Saves all the SMTP mail server events.
POP3 log: Saves all the POP3 mail server events.
Internet log: Saves all the events regarding sending emails
to the Internet.
Save Logs to File: Used to set log file saving path.
Maximum Lines: Sets the maximum lines of log files.
Email Filter List: you can add the email address to the
list if you want to block it. For example: email@example.com. Or you
can block all the email addresses with the same domain. For example:
IP Address Block List: input the IP address of the email
that you want to block. E.g. 18.104.22.168. Also you can add an
IP range. E.g. 22.214.171.124-126.96.36.199.
Language selection: Selecting the language for program
interface and web mail interface.
Minimized: When CMailServer starts up, it will be minimized
and visible only as a system tray icon.
Autostart: CMailServer will be automatically startup when
Windows starts up.
Autolock: CMailServer interface will be automatically locked
when windows stats up. You can also select the menu operation ->
lock interface to lock interface manually. When the interface is
locked, click the tray icon and the login dialog box will popup.
Input the admin password to unlock the interface. Go to menu Tools
-> Administrator password to change admin password.
POP3 Port: Used to set the port of POP3 service. Default
value is 110.
SMTP Port: Used to set the port of SMTP service. Default
value is 25.
Account Port: Used to set the port of Web Mail account service.
Default value is 8011.
Enable Proxy: If the computer that installs CMailServer
accesses the Internet via proxy, to send/receive web mail, you need
to input the address of proxy and port number.
Enable Anti-Virus: Input the IP address of the computer in
the LAN that installs anti-virus software and Port 110. (If the
anti-virus software is installed on the server, the IP address should
be 127.0.0.1) Then CMailServer can provide anti-virus function for
clients. We recommend using Norton Antivirus.
Enable Anti-spam: All spam emails will be moved to trash
folder. Users can login on Webmail and read those spam emails.
White list: It can be domains or IP addresses. CMailServer
anti-spam will pass by white list. For example, "@topmail.com;202.201.0.;188.8.131.52;"
means all emails sent from "topmail.com", 184.108.40.206-220.127.116.11
and 18.104.22.168 will pass anti-spam process.
Other Features and FAQs
How to Create Mail Group
Right click mouse, select Create new group in the popup menu,
input the group name and select the members. After creating a
mail group account, all emails sent to this mail group account
will be automatically delivered to all members of this group.
How does Administrator Modify Users' Password
Select the user whose password is to be modified from user list,
double click mouse, the popup Edit/View Account dialog box appears.
Select Change User Info, and then the user password can be edited.
This function is used to help those users who forget their password.
How to Send Mail to All Users
Click the Mail to button on the toolbar.
This function enables administrator to send email to all the users.
How to Create User Information Report
Click the Report button in toolbar.
This function is used to create HTML, INI, EXCEL and TEXT format
of users information report.
How to Compose Welcome Mail for New User
Menu Tools -> Compose welcome mail.
How to View Internet Mail Transfer Status
Select Menu Tools -> Internet Mail Transfer Status.
Select Mail in transfer, you can view the mail status or stop
mail during transfer.
Select Mail undelivered, you can view the undelivered mail information,
retransfer or delete undelivered mails.
How to Catch All Wrong Address Emails
Open 'CMailServer\config.ini' and modify 'EnableCatchAll=0' to
'EnableCatchAll=1'. All wrong address emails sent to this mail
server will be sent to 'firstname.lastname@example.org'. If you want send
all wrong address emails to another emailbox, you can set 'AccountCatchAll=someone'
Note: if the mail server is a multiple domain names mail server,
you should create an admin mail address for each mail domain.
How to Upgrade or migrate CMailServer
How to Upgrade
1. Backup folder "db" and "mail" in CMailServer
installation folder. If you customized the Webmail scripts, you
also need to backup folder "Webmail".
2. Uninstall CMailServer and reboot server.
3. Install the new version to the original installation folder.
How to Migrate
1. Install CMailServer to new path or new server.
2. Copy folder "db" and "mail" from the original
installation folder to the new installation folder.