Support/FAQ
Technical Support
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How to configure Exchange Server
We are asked frequently how the Exchange Server should be configured to work with POPcon. These guides list the actions necessary to configure your Exchange server in a standard way so it works well with POPcon and the Internet.
Exchange 2003 Server
Configuration of Exchange 2003 Server - with many screenshots.
Configuration of Exchange 2003 Server, PDF-Version - printable version to take with you to a client server installation.Exchange 2000 Server
Configuration of Exchange 2000 Server - with many screenshots.
Configuration of Exchange 2000 Server, PDF-Version - printable version to take with you to a client server installation.Exchange Server 5.5
FAQ
Read these frequently asked questions and answers for fast hints in case something does not work:
POPcon and POPcon PRO frequently asked questions:
There are .msg files in the POPcon folder with undistributed emails left after we solved a huge Exchange problem. How can we redistribute them?
Emails to recipients that are unknown in my Exchange/ActiveDirectory organization are rejected by my Exchange Server and seem to remain in POPcon's queue.
Does POPcon work with Exchange 2003? 2000? 5.5? SBS versions?
How can I transfer my POPcon configuration settings to my new server without retyping it all?
The distribution of incomming emails from a mailing list does not work correctly. What can I do?
What do I do if all emails get forwarded to the postmaster because they "do not have local recipients"?
POPcon hangs when my virus scanner deletes infected *.msg files from the POPcon folder!
Can I start the mail retrieval cycle from the command line (.bat, etc.) ?
Why is email to unknown recipients in my domain not forwarded to the postmaster?
POPcon downloads email ok, but can't reach my exchange server - what can I do?
BCC recipients do not receive the email, although recipients listed under TO: and CC: do. Any hints?
How can I get POPcon to not work with my ISA-Server (proxy) ?
What can I do about the error message "Host did not acknowledge DATA command [554. 5.5.2 No valid recipients]"?
POPconAdmin does not work or has problems communicating with my POPcon service?
Will I lose emails if my Exchange Server happens to be down when POPcon tries to send emails there?
Is there a log file of POPcon's action so we can check where email messages came from and where they went?
How can I get rid of downloaded emails that are stuck in POPcon's queue?
All emails are suddenly tagged as SPAM after a period of no problems with the antispam feature!
POPcon does not install on my machine. What can I do?
Exchange/SMTP connection was unexpectedly closed or error message "454.5.7.3 Client does not have permission to submit mail to this server."
How can I resend already downloaded messages?
How do I configure Exchange and POPcon if I want to handle only part of a domain?
How can I diagnose malfunctioning antispam blacklist server lookups?
What could be the reason for ''Mail transfer to exchange failed, reason: Connection to host denied'' ?
Exchange does not accept some email from POPcon and keeps saying "550 5.7.1 Requested action not taken: message refused"!
POPcon always forwards my email to TWO Exchange mailboxes: The real recipient and a recipient named like my catch-all mailbox at the ISP. How do I stop that?
POPcon says that it drops copies of downloaded email - what causes this message?
What can I do when exchange does not accept some emails and comes up with an error message: "503.5.5.2 need Rcpt command" or "550.5.5.1 user unknown" ?
The new version 3.20 of POPcon can download IMAP email. Can it download email from AOL accounts with this?
Can I use POPcon to download email from Gmail accounts?
"Out of Office" messages are returned to internal users but not external users on the internet. Is this a problem of POPcon?
Why does POPcon need to know the "accepted domains" on the POP3/IMAP config tab?
How can I enable non-delivery reports (NDRs) to external mail senders?
Mail does not reach mail-enabled public folders. What could be the reason?
Does POPcon also work with Lotus Domino Server?
Only messages less than 10MB in size seem to come through, does POPcon impose a size limit?
Windows Data Execution Prevention is stopping or crashing the POPcon antivirus engine. What can I do?
I want POPcon to forward some accounts to a non-local mailbox on the internet but that does not work. How can I do this?
Exchange does not accept any email from POPcon. Error message: "530 5.7.0 Must issue a STARTTLS command first"
Why is the spam checking taking so long? It takes 30 seconds for a single message!
What does the error message "[blacklist] could not be tested and will not be used" mean?
My Exchange 2007 does not accept emails larger than 10MB. What can I do?
My Exchange 2007 does not accept emails from POPcon and answers "530 5.7.1 Client was not authenticated"!
Mails to mail-enabled public folders end up as posts instead of as emails. Can that be changed?
Exchange 2007 rejects POPcon emails with "550 5.7.1 Unable to relay". What do I do?
CSCatchAll frequently asked questions:
How do I configure CSCatchAll? The Administrator utility only allows me to enter a license code.
I installed CSCatchAll and configured a catch-all account but it does not seem to work at all! What can I check?
Full text of all FAQ articles in one compact HTML file: Knowledge Base
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