I am not well versed in the Windows firewall, but its gotten me a few times... When you turn the Windows firewall on, there are settings to block all incoming connections including those in the li...

Hello Scott, When you said that you checked Avast, are you referring to its logging, or are you saying that you already disabled the "Scan Inbound Emails" option in the "Email Guardian" feature? &...

I was wrong.  MDaemon.exe and Worldclient.exe were both gone from the firewall "Allow" list.  I added them back and the new server is working perfectly now.  Thank you! for your help...

The Let's Encrypt log showed a 400 error and suggested a firewall problem.  I disabled the firewall and Let's Encrypt ran and created a certificate successfully.  Outlook also successfull...

What does the LetsEncrypt log show is happening?  It can be found in the MDaemon\Logs directory. If you have webmail configured to redirect HTTP to HTTPS and there is no HTTPS certificate, th...

The Let's Encrypt certificate is gone on the new server and when I try to run Let's Encrypt nothing happens.  Is there a way to force Let's Encrypt to run and create a new certificate?

On the MDaemon server, open a Command Prompt and run the following command: telnet 13.213.174.147 25 What do you get?  Almost immediately you should get the greeting from the server you are ...

Hi , I'm facing an issue in Mdaemon v23.0.3 after setting up the smarthost. It makes connection with the smarthost and do nothing for 30 seconds and connection closed by the relay provider. Our re...

If you are not getting a response from Telnet, the something in between the client and server is blocking it.  Since Outlook works when using the old server, I'd guess that whatever it is is d...

Thanks for the response, Aaron. MDaemon is using the standard ssl ports, 993 & 465 What's strange is, if I shut the new server down and start up the one I moved from it works perfectly, as al...

You mention that TCPview shows MDaemon listening on the correct external IP address, is it also listening on a local IP address?  On the Outlook machines, is DNS pointing the hostname to the ...

Server 2022 VMware vm / MDaemon 23 I moved my MDaemon installation to a new server following the instructions I found online and everything appears to be working from the outside.  However, O...

Thanks Arron for the help it's appreciated as ususal.

Make sure you are logging detailed mail sessions.  Setup / Server Settings / Logging / Log Mode You'll also want to Log an ID string in mail sessions so you can easily find the entire session...

I have an IMAP user where some emails are being expunged but the user says he did not delete them but about 4 seconds later in one example after being created in the user directory the log shows ex...

I'm assuming by "spamworld" you mean the text file.  In the latest version, the dialog in the content filter to configure the text file to use explains that you can use regular expressions but...

I  add the rule in content filter "if EXTERNAL SENDER and Header From contains "@mycompany.com" move message to Spam folder". I thought it will be nice to filter fishing mails, but it routes a...

It is compairing the domains in the Return-Path, Sender, and From headers to the domain of the person receiving the email.  The condition will actually flag messages anytime the domain in the...

@Keith Thank you. I tested. It now works, but I had to put back the <Members> tag in the API call, as per V20 documentation. The API Dll in V23.5.1Beta now works for me as it did version pri...

Sorry, just read again your answer "It compares the domains in the Return-Path, Sender, and From headers to the recipient's domain." and see recipient's domain, not sender domain. I dont understan...