@Nihas  You can upgrade to the 64-bit version of MDaemon by running the md1959_en_x64.exe installer from the URL above over top of your 32-bit version.  From there you can start MDaemon ...

Yes, there should be no issues upgrading from 21.5.3 to 23.5.0.  We reccomend backing up your entire MDaemon directory structure before upgrading, just in case.

@Arron  "SPF and DMARC both offer the ability to take punitive action on messages that "fail". If your clients don't have SPF and DMARC setup correctly, it could cause your server to reject o...

Configuring SPF, DKIM, and DMARC for your domain does not affect how your server handles inbound email from other domains.  Implementing SPF, DKIM, and DMARC for your domain protects your doma...

Have you considered contact the recipient of the email or the IT team for the receiving domain using some other means and asking them to contact Donweb on your behalf? Yes, I would reccomend resol...

@Arron    Thank you very much for your answer!! They do not give me a response from the hosting side that is blocking us, since we are not their clients they do not give me any respons...

Were you able to contact the administrator of the receiving server to find out why they are rejecting the messasges?  Unfortunatley without more information from the recipient about why they a...

At this time, our hosted offering has not purchased the license to use the DQS service from Spamhaus.  If you'd like to use DQS now, you should implement it in your MDaemon.

Hi I upgraded my mdaemon to version 23 After that is get this errors when I try to open WebMail on Android devices: the request was invalid . if you need assistance  please contact your em...

Yes MDaemon supports multiple domains.  You can manage the list of domains by going to Setup / Domain Manager.  You can find more details in the online help which is available at https://...

Thanks for the info ArronAs I've mentioned above, we are using your Hosted Security Gateway service, so no on-premise SG.Yes, all of our external email traffic is routed via HSG, so I was wondering...

Hello, If Bob logs into webmail, is David on the Calendar?   Does David get added immediately after the meeting is created or does it take some time? Do John and Sarah also see David a...

Is the email address the message is from, local to MDaemon?  If it is, then you can skip steps 1 and 2 below and just add a wildcard MX record in your DNS server. 1. Add the IP of the sending...

Here is a copy of the script I wrote.  Its more complicated than it probably needs to be but I opted to extract the attachment and re-add it because I already had a script that was doing somet...

I've requested the AutoDiscover log a number of times and am still unclear on what it shows because the log snippet provided is from (TestExchangeConnectivity.com) and does not appear to be from se...

Do you want the messages to be routed to a specific domain?  For example, is *@*.example.com being routed to *@example.com ok? Do you know the sending IP address of these messages and is it c...

I got it working post-upgrade from 2012 R2 to 2019. After several attempts and roll backs. Deleting the service and re-creating it was the only solution. I am just glad myself and my hosting client...

if there is no activity for the MDDP service, the MDDP log will be created in the MDaemon\Logs directory.  If there is no activity there will not be a log.   What does the autodisco...

I'm going to contact them and check my MDaemon setup.As soon as I have something new, I'll post it, maybe it will be of help to someone in the future.Thank you very much for your dedication Arron!!...

The ports you have listed are correct.   I'd also suggest setting up SPF, DKIM, and DMARC if you have not already. You can send an email to domain-test@mdaemon.com to test your setup. A...