For add ports 80 and 443, may I ask these ports is specifically for Outlook Mobile ports? You only need these ports for Webmail or ActiveSync.  They are not specific to Outlook Mobile. D...

If you want to use ActiveSync, yes you need ports 80 or 443 open.  Are you configuring Outlook for Android to use ActiveSync, IMAP, or POP? I am also not able to connect to your server on por...

Is your mail server available on the internet via ports 80 and 443?    I'm not able to connect to it on port 80 or 443 using the host name provided. I get connection timed out errors. Ou...

@Arron Thank for you reply, It looks like the errors are from one sender, I looked at the letters and didn’t find anything unusual in them. The email with errors was posted via your link (htt...

@Arron Thank you for your answer, we previously updated to the latest version SG 9.5.2, the problem remained, the database files and logs were downloaded from the link you provided, there are no du...

Morning team, may need your assist on this issue. As we had using MDaemon as our main email service, we had try using these protocols such as Auto and STARTTLS certificates in desktop computers vi...

Hello, You stated: "Well, it seems that the Content filter rule is working." Glad to hear that you were able to get your content filter rule configured correctly. You stated: "And for cl...

Hello everyone Imagine the following situation. Malicious actor composes well falsified, phishing message, researches company site and collects email addresses. Then emails simultaneously that mes...

If the IP is the same for 10-20 minutes, limit the simultaneous connections allowed from any IP address to something like 10.  That will hopefully prevent them from delaying real mail and in m...

Were you able to adjust your WatchGuard device so that it doesn't insert its certificate in the SMTP traffic? When you are unable to receive a message, what does MDaemon's SMTP in log show is happ...

Its referred to as a DoS attack. If the connecting IP addresses are predicatable, block them as early as you possibly can, typically at your firewall.  Your firewall may even have features to ...

Thank you for your feedback!

Can you confirm that for the tests you have the option enabled to exclude trusted IP addresses from scanning, and that the connecting IP address was on the trusted IP list? Is MDaemon still conifgu...

Unfortunately MDaemon version 13 is no longer supported.  Our first step for troubleshooting is to request that you upgrade to a supported version.  You can download the latest version of...

sender's copy simply vanishes, no trace in Sent Items (as I've already reported here) Looking back at our previous discussion, the message is not vanishing.  It is being detected by AV...

@Aleksandar  >No, I'm using 3 (Connector) accounts, it is happening in all of them. All 3 accounts are in the same Outlook though (1 personal and 2 admin accounts)   Thanks.  Th...

Hello @Tyler >Is the same issue happening with IMAP accounts?We have pretty much Connector-only environment. There are couple of IMAP users, but with non-Outlook email clients >Where th...

@Aleksandar Is the same issue happening with IMAP accounts?  Is the MDaemon Connector account the only account configured in the profile or are there multiple accounts configured in a single O...

Hello Raimund,Thanks for the information.Please reproduce the problem and then submit a support request so that I can review your logs off-list:https://mdaemon.com/pages/support-request-formWhen su...

Okay, I see, but why is it so slow to open a simple e-mail? Most likely because the drives are unable to keep up with the volume of reading that occurs when webmail is looking at all folders.&nb...