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LetsEncrypt stopped working with error: : 403 Invalid response
Leigh posted in MDaemon •Cameron, What http port is Webmail running on? Check in Webmail Settings | Web Server in MDaemon Remote Administrator, and see what is set for "Run MDaemon Webmail server using this TCP port (requ...
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Download Header Only messages appear blank
MARTIN posted in MDaemon Connector for Outlook •Our user base has experienced this phenomenon for years. It seems to come and go for users, too. MDaemon support looked into it and they suggested unchecking the "Download Headers Only" which solve...
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Email signature for the Domain and automatically retrieve name, titles and other info
Leigh posted in MDaemon •Hi Paul, Are your users all using WorldClient? If so, in MDaemon Remote Administration, you can go to Webmail Settings | Settings and uncheck "Allow user-created signatures" You can find the same...
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Email signature for the Domain and automatically retrieve name, titles and other info
Paul posted in MDaemon •Hello, Currently, everyone uses different email signature but we are trying to unify them. When I read the "Knowledge base" it saids, if we use signatures on domain level, users signature would b...
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LetsEncrypt stopped working with error: : 403 Invalid response
Cameron posted in MDaemon •@Leigh 1. There are no Windows Scheduled Taks on this machine 2. the "SMTP host name" is "nortonconsultants.com" "nortonconsultants.com" is also our Primary Domain Name. It's a long ...
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LetsEncrypt stopped working with error: : 403 Invalid response
Leigh posted in MDaemon •Also, in MDaemon, under Setup | Domain Manager, expand the domain and click on Host name & IP. For "SMTP host name" what is the entry in there?
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LetsEncrypt stopped working with error: : 403 Invalid response
Leigh posted in MDaemon •@Cameron Can you check your Windows Scheduled Tasks and see if maybe someone added a task to run it from there perhaps?
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LetsEncrypt stopped working with error: : 403 Invalid response
Cameron posted in MDaemon •Hi Leigh, The -AlternativeHostNames switch is not showing. If I add "nortonconsultants.com", it errors out as expected. If I add the erroneous "www.nortonconsultants.com" host name as ...
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LetsEncrypt stopped working with error: : 403 Invalid response
Leigh posted in MDaemon •@Cameron Hello, Arron is out of the office at the moment, so I am following up on this. If you look on the page that you configure Let's Encrypt on, it shows the command line it will run at the bo...
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LetsEncrypt stopped working with error: : 403 Invalid response
Cameron posted in MDaemon •I suspect that www.nortonconsultants.com doesn't point to your mail server so the challenge can't complete. Try removing www.nortonconsultants.com from the list of host na...
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LetsEncrypt stopped working with error: : 403 Invalid response
Cameron posted in MDaemon •Hi Arron, thanks for your reply - I missed that! I really don't know where it's getting www.nortonconsultants.com from since the host name of the mail domain is just "nortonconsultants.com" (I hav...
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multi-level subdomain
Oliver posted in Security Gateway •Hello Arron, Thank you very much for your support, I really appreciate it!I will test it out. Best regards,Oliver
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multi-level subdomain
Arron posted in Security Gateway •Here is the list of domains that are being parsed from URIs in the message. Thu 2025-07-24 08:47:21: # Found URI: igctwb.em.giftrush.christmas Thu 2025-07-24 08:47:21: # Fou...
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LetsEncrypt stopped working with error: : 403 Invalid response
Arron posted in MDaemon •Let's Encrypt requires that every host name on the certificate complete a challenge to prove ownership. Our script uses HTTP challenges and to complete them it places a file in a specific loc...
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LetsEncrypt stopped working with error: : 403 Invalid response
Cameron posted in MDaemon •Running latest version of MDaemon and whenever the LetsEncrypt script runs I get the following error: An error occurred during the LetsEncrypt process. The error message is: Error: The challenge d...
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multi-level subdomain
Oliver posted in Security Gateway •I have just uploaded the file SG00996031.EML to you.
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multi-level subdomain
Arron posted in Security Gateway •Can you upload a copy of the EML file to me at https://mdaemon.sharefile.com/r-rc3922c1eed334d4dbf5e34f0bd04ccd6? After you select the file, don't forget to click the Upload button. Once the file...
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Suggestion for an Email Approval Feature
Arron posted in MDaemon •It is on our list to consider for future versions. Thank you for your feedback
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Suggestion for an Email Approval Feature
wu posted in MDaemon •Hello team, Good evening, and wish you all the best. Many email systems, such as Exchange and Zimbra, already support an email approval feature. Our MDaemon customers in China have repeatedly in...
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multi-level subdomain
Oliver posted in Security Gateway •Hello Arron, Thank you for your reply. I have attached an excerpt from the spam email.The error message “DNS name contains an invalid character” is clearly visible here. This message ...


