Background:SBS 2K running on single server. Local domain
cts.local. (192.168.1.2) 2 NIC cards 1 for internal LAN,
1 for 56k dial up modem. Internal NIC goes to Ethernet
wireless access point (192.168.1.1) 5 client computers
running win 2k or xp pro all configured with firewall
client. DHCP from server is running, all clients
configured for DHCP. IP's assigned dynamically.
Earthlink as ISP. Modem hooked directly to phone source.
ISA server configured with internet filters enabled. All
client computers access internet through proxy server
local address 192.168.1.2. IE connections set for proxy
server 192.168.1.2(8080) Exchange server running with
default configurations. All clients have internal
accounts as username@cts.local. Running Outlook 2002.
What's Working: All clients can access the internet.
Configured Exchange pop3 connector with 3 clients using
mail account information from earthlink and internal
user. Scheduled to contact earthlink each hour during the
day. At present all clients are receiving mail from ISP
via exchange server. Clients can address email to
internal users and email is sent and received correctly.
What's Not: Sending email externally does not work. When
addressing email in outlook to an external email address,
outbox shows mail being sent and sent mail registers as
being sent. However no outside email address is being
reached. When checking server protocol SMTP external
outbound mail is showing in the queue as addresses
unreachable and in some cases delayed. Have forced email
to be sent by forcing connection and enumerating 100
messages. Email recipients report that reply address is
shown as my local domain (not registered with earthlink)
and any attempt to reply results in mail not deliverable
from outside source.
Help: I am looking for any assistance possible.
Resources for learning about outbound mail from Exchange
or specific how to's on setting up a local LAN that
connects to an ISP for internal and external email. Any
help would appreciated. Thank you in advance.