Just setup SG for a client, they have a 12 User MD license and I got them a 12 user SG license. There are only 10 active user accounts, some do have aliases, but I figured I'd leg Minger deal with...

Great! Let us know if you are still having issues.

I'm going to continue monitoring the inbox for those accounts anyway. Thank you so much. Excellent work

Thank you very much friend, I think I just found the problem thanks to your help. Apparently it is the Outlook client that has configured in the account options that messages are deleted from the s...

Open the POP3 log in a text editor such as Notepad++, and go to Search / Find.  In the Find What field enter Authenticated as.  Then click Find All in Current File.  It will give you...

Tomorrow I'll tell you if they are exactly those users.

@Arron "Check the POP3 log for the "Authenticated as" line for each session" Where can I find this?

The POP3 log shows there are POP3 clients that are deleting messages from the server.  I can't tell from the log if that is the cause of the issue you are describing.   Check the PO...

It is not uncommon for POP3 clients to delete messages from the server after the client has downloaded them.  If you'd like you can send the logs to me privately, arron.caruth@mdaemon.com, and...

@Arron I need to send the pop3 log but it is very long, I found something in the texts that say that the messages are deleted.

No, that is the default cleanup.bat file that runs listprune and account prune. What do the accoutprune, webmail, imap, and POP logs show from around the time the messages disappeared? Where ther...

There is a file called cleanup.bat, in the App folder, with the following script. There is a problem with that?  

Sorry Arron: But why works this 200 times a day and then randomly comes the auth-check-message for this two mails? It is comparing the authenticated user withe the email address in the return-pa...

Sorry Arron: But why works this 200 times a day and then randomly comes the auth-check-message for this two mails? Is this depending on the recipient?"   Do you think i can make a check mar...

Thanks Arron, i hab disabled this now...because this are internal senders. No one other sends mails in the network.   Thanks again, Raimund.

You can adjust the settings by going to Security / Sender Authentication / SMTP Authentication You can find more information in the help file at: https://help.mdaemon.com/MDaemon/en/security--smt...

Hi, an employee has send two messages. Short time later the mail comes back: unspecified recipient. But if i look in the sent mails, ther is an recipient....whats the problem?    Echt...

Sorry, I'm not aware of any webmail clients that can sync all of the data.  

Thanks for your feedback. We'll look into redesigning webmail for future versions.

@Arron Ok, tx but for me it's a flaw in webclient.