Tạo chữ ký kèm logo trên Web Mail Mdaemon
Thứ Sáu, 13 tháng 11, 2009 vào lúc 14:49 | 0 nhận xét  
Để setup chữ ký cho toàn domain, vào menu Setup > Default Domain/Servers > Domain Signatures và nhập vào chữ ký
Để Setup chữ ký cho cá nhân vào menu Account > Account Manager > cho User & click Edit > Signatures > nhập vào chữ ký

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Thay đổi theme mặc định của Web Mail Mdaemon
vào lúc 14:38 | 0 nhận xét  
Tìm và edit file C:\MDaemon\WorldClient\domains.ini
Chọn một Theme dưới đây làm mặc định cho Web Mail
Theme=LookOut
Theme=Globe
Theme=Mobile
Theme=Redline
Theme=Simple
Theme=Standard
Save lại
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Downgrade MDaemon 10.x to a previous version of MDaemon
vào lúc 10:17 | 0 nhận xét  
How can I downgrade MDaemon 10.x to a previous version of MDaemon?

Unlike previous versions, you cannot install the old version of MDaemon over the top of a 10.0 installation, due to the numerous changes. The installer for 10.0 automatically backs up the old \App and \SpamAssassin folder, which you can use to downgrade to the previous version by following the steps below.

1. Download your previous version's installer from http://archive.altn.com/
2. Shut down MDaemon by going to the Windows Start Menu | Programs | MDaemon | Stop MDaemon
3. Open the Task Manager's Processes tab (Windows Start Menu | Run | type 'taskmgr.exe' | Select Processes tab) and verify the following MDaemon processes have stopped (note that if you have multiple processors, you may have multiple instances of some of these processes):
* MDaemon.exe
* CFEngine.exe
* MDSpamD.exe
* WorldClient.exe
* WebAdmin.exe
* ScanningProcess.exe (if SecurityPlus is installed)
4. Go to the MDaemon folder on the server. Note: The C drive is the default location, but it may be in a different location depending on the previous installation.
5. Rename (i.e. App_old) the following folders:
* App
* SpamAssassin
* WorldClient
* WebAdmin
6. Copy your previous version's MDaemon\backup\(version)\App to MDaemon\App\
7. Copy your previous version's MDaemon\backup\(version)\SpamAssassin to MDaemon\SpamAssassin
8. Run the installer you downloaded and ensure you install into the same location MDaemon is already installed. Also, make sure to Disable (uncheck) Start MDaemon option at the end of the installation.
9. Copy the WorldClient.ini file from the renamed MDaemon\WorldClient_old to MDaemon\WorldClient
10. Start MDaemon by going to the Windows Start Menu | Programs | MDaemon | Start MDaemon
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Dynamic Screening Tab in Mdaemon
vào lúc 10:17 | 0 nhận xét  

Activate Dynamic screening
Click this check box to activate Dynamic screening.

Advanced
Click this button to open the tarpit.dat file in a text editor. This file lists all IP addresses that have been banned by Automatic IP Screening. You can manually add IP addresses and the number of minutes to ban them by listing them one entry per line in the form: IP_address Minutes. For example, 1.2.3.4 60 .

White list
Click this button to configure IP addresses that are excluded from the Dynamic Screening

Ban senders who cause this many failed RCPT attempts
This is the number of 'Recipient unknown' errors allowed from a given host during a mail session before that host will be automatically banned for the number of minutes specified in the Ban sites for this many minutes option below. Frequent 'Recipient unknown' errors is often a clue that the sender is a spammer since they commonly attempt to send messages to outdated or incorrect addresses.

Ban senders that connect more than [X] times in [X] minutes
Click this check box if you wish to temporarily ban sites that connect to your server an excessive number of times in a limited time period. Specify the number of minutes and the number of connections allowed in that period.

Ban senders that fail this many authentication attempts
Use this option if you wish to temporarily ban sites that fail an authentication attempt a specified number of times. This can help prevent attempts to 'hack' a user account and falsely authenticate a session.

Ban senders for this many minutes
When an IP address is automatically banned, this is the number of minutes that the ban will last. When the ban expires the host will be able to send to you again normally. This feature prevents you from accidentally banning a valid sender permanently.

Close SMTP session after banning site
Enabling this option causes MDaemon to close the SMTP session after the 'Recipient unknown' threshold is reached and the IP address is added to the Tarpitting IP Screen. This switch is enabled by default.

Don't ban senders who use an authenticated session
Click this checkbox if you want senders who authenticate their mail sessions before sending to be exempt from Dynamic Screening.

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MDaemon 10.x: Recommended MDaemon Security Settings
vào lúc 10:15 | 0 nhận xét  
Security configurations will vary from site to site, but the following configurations will be a good starting point for just about any server. Open MDaemon and use the following steps:

Under the Security menu | Spam Filter:

Spam Filter section:

1. Ensure 'Don't filter mail sent from local sources' is enabled
2. Ensure 'Don't filter mail from trusted or authenticated sources' is enabled
3. For 'Don't filter messages larger than' enter 100KB. You may increase this if you find you're getting larger spam messages, but watch for a performance hit and adjust accordingly
4. Leave 'Don't forward spam' with the default setting of 'disabled'
5. 'Move spam into user's IMAP spam folder automatically' should only be enabled if you are not using POP3 protocol for any of your local users. This can be a helpful way to allow your users to review their spam, but not have it clutter up their Inboxes
6. The rest of the settings on this tab can be left at default

Heuristics section:

1. Ensure 'Enable heuristic message scoring system' is enabled
2. For the field 'A message is spam if its score is greater or equal to' enter 5.0
3. For the field 'SMTP rejects messages with scores greater or equal to' enter 12.0
4. Leave the rest of these settings at default

Reporting section:

1. Ensure the first option 'Insert spam report into the headers of the original message' is selected

Bayesian section:

1. Select 'Enable Bayesian classification'
2. Enable 'Schedule Bayesian learning for midnight each night'
3. For 'Don't learn from messages larger than' enter 50000 bytes
4. Ensure that the correct path is populated in the 'Path to known spam folder' and 'Path to known non-spam folder’ fields

Spam Daemon section:

1. Leave the 'host or IP' to 127.0.0.1 and the 'port' at 783
2. The rest of these settings may be left at default

In most cases, the rest of the settings in this dialog can be left at defaults as well.

Security | Spam Filter... | DNS-BL:

DNS-BL hosts section:

1. The first option 'Enable DNS-BL queries' should be enabled

DNS-BL Options section:

1. Ensure 'Skip 'Received' headers within messages from white listed sites' is enabled
2. Ensure 'Skip DNS-BL processing for authenticated sessions and trusted IPs' are enabled
3. Ensure 'Stop further DNS-BL queries on first DNS-BL match' is enabled
4. Ensure 'SMTP server should refuse mail from black-listed IPs' is disabled
5. The rest of this tab can be left at default

White List section:

1. Be sure to add any of your local machines on the network to the white list

Security | Security Settings... | SPF & Sender ID:

SPF / Sender ID section:

1. Enable 'Verify sending host using SPF'
2. Enable 'Verify PRA using Sender ID'
3. The next 2 options should be disabled
4. Ensure -0.5 is entered for the 'Approved messages add this to the Spam Filter score'
5. 'Messages which fail add this to the Spam Filter score' should be at 15.0
6. Ensure 'Insert 'Received-SPF' header into messagess' is enabled
7. Everything else should be enabled except for Use local address in SMTP envelope when forwarding messgaes

If you have SecurityPlus for MDaemon installed, it's a good idea to refuse infected messages during SMTP session.

Security | AntiVirus...:

AntiVirus section:

1. Make sure Enable AntiVirus scanner is enabled
2. Enable 'Refuse to accept messages that are infected with viruses'
3. The remaing defaults should be acceptable but can be altered according to your specific needs

Security | Outbreak Protection:

1. Make sure Enable Outbreak Protection is checked
2. Viruses should be 'blocked in real time'
3. Spam should be 'accepted for filtering' and the Score should be 2.5
4. IWF content should be 'blocked in real time and the Score should be 2.5
5. The remaing defaults should be acceptable but can be altered according to your specific needs
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