I'm having a few problems getting Internet POP3 users access to multiple email domains in my Astaro DMZ.
Here is the current setup and config:
Astaro 3.215
Using SMTP Relay
1. Both external DNS MX records point to external interface on FW.
2. Created 2 SMTP Domains and Routes to individuals servers in DMZ.
3. Both default gateways on mailservers
point to LAN Interface IP.
4. SMTP Allowed networks: Both email server's
IP addresses
Packet Filter Rule: any->pop3->Ext.IF Allow
XchgSrvr1 192.168.3.x Email dom 1: abc.com
XchgSrvr2 192.168.3.y Email dom 2: xyz.com
What works:
Mail routed from Internet (Inbound) to abc.com and xyz.com ; respective domain delivery ok via SMTP relay logs.
LAN access for POP3 and SMTP servers work fine when using IP addresses (192.168.3.x and 192.168.3.y)
Internet Client access to DMZ bound SMTP servers using (mail.abc.com and mail.xyz.com)
*** Problem: POP3 Internet access to DMZ bound servers (Cannot login, authenticate.)
However, it does works when I can create a DNAT setting and Packet filter rule to forward POP3 requests to one of the two domains,
but not both.
DNAT: (Any-> WAN IF/POP3 ==> mail.xyz.com/POP3)
Packet Filter: (Any - POP3 - mail.xyz.com Allow)
Is this something that can be done?, or do I need to wait for the POP3 Proxy I've read about in the next release?
Thanks is advance,
Brian K. Burnette
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