server 2003 Exchange-IMAP issue

Ok, I just had the server at the office dumped into my lap.

its been a while with dealing with exchange.

we have server 2003 and exchange 2003

the company hosting out website, managed the DNS and swapped around our MX info and pointers to the new IP address for our new internet provider.

i have the OWA and exchange email (for those on the domain) back up, but everyone that uses IMAP..no go...doesn't work...i went in and assigned the network adapter to the connection and still nothing...
Symtech-USAsked:
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ittogoCommented:
Check that the port for IMAP (143) is forwarded to the server on the new router.
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ittogoCommented:
If I remeber correctly, IMAP is not installed by default.  You have to install the IMAP service on the exchange server.
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Symtech-USAuthor Commented:
it was already installed and working.

all i did was switch from one internet providers modem to the other, updated the ip info in the router an in the server,,,

everything works except imap email
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ittogoCommented:
If it is using ssl it might be ports 585 or 993
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Symtech-USAuthor Commented:
port 143 it was....one of those tiny things one just misses...thanks...!!!
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Symtech-USAuthor Commented:
ok...i spoke to soon, the IMAP settings give me the incoming emails when i port 143 though, but imao was working before....outgoing is port 25 but i cant send email and all I can find in the IPAM settings on the server is for port 143 and an SSL port of 993...which i tried forwarding also but it didnt work
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ittogoCommented:
Here are the ports you might need to open

    POP3 - port 110

    IMAP - port 143

    SMTP - port 25

    HTTP - port 80

    Secure SMTP (SSMTP) - port 465

    Secure IMAP (IMAP4-SSL) - port 585

    IMAP4 over SSL (IMAPS) - port 993

    Secure POP3 (SSL-POP) - port 995

An IMAP client will still need to connect to the SMTP server to send
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Symtech-USAuthor Commented:
ok....i have 2 network cards is wants to automatically use...which i guess is ok.

but anytime i try an port forward any of the ports (25, 993, 465, etc, besides port 143, it kills OWA.

i am right now all computer on the domain get their email and can send email

all non-domain pc's can use OWA to send and receive but any pc's that use Outlook with IMAP settings for email and the same with cell phones...can receive but cannot send email.

the only change was gong form AT&T Uverse to Comcast with dlink router...modem bridged and router DHCP disabled (server is running DHCP).

i changed the local gateway (router's IP) and all works fin other than the sending of email via an IMAP setup pc or phone
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ittogoCommented:
I did some digging around and you need port 80, 443 and 25 for OWA, so you probably have port 25 open.  Check the firewall settings and point port 143 to the same address as the other ports.  This should allow OWA, SMTP and IMAP all to work.
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