First, thanks for your response.
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Originally Posted by phoenix Can you also telnet to port 25 from your LAN? Can you send an email through Zimbra by that method? |
Yes I can. I can send an email by connecting from one server to my Zimbra server, then issuing mail commands, at the connection prompt, to send an email. That gets delivered fine.
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Originally Posted by phoenix Do you have SElinux installed/active? If you do, disable it. |
Actually initially it was installed and active. To ensure that I ran into no issues, I went ahead and laid down a fresh install of FC4, with SELinux disabled.
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Originally Posted by phoenix Are you absolutely positive that all the required ports for Zimbra are passed through the firewall? |
Well when one runs into issues, it is never a bad idea to check again. In this case, the only port I imagine I would need, to receive emails, would be port 25 to my Zimbra server. I also have port 110 for POP and 143 for IMAP. I have verified at least port 25 by connecting to my host from an outside server and receiving the connection prompt.
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Originally Posted by phoenix Have you done a search through the forums for this issue? There's probably more info here at present than in the wiki. |
I have searched, and continue to search, for ideas that might point my in the right direction. The one thing that I keep wondering is if somehow my provider was blocking emails. My assumption, though, is that if that were the case, they would block all incoming, and outgoing, port 25 traffic, which is not the case as I can send emails with no issue.