Hello,

one problem I found while running XMail on Win2008R2 is that the
SmartDNSHost configuration is not working, and in very strange way. If
SmartDNSHost is enabled in SERVER.TAB (related line:
"SmartDNSHost"[TAB]"10.2.0.254:tcp") the server does not delivers mail
to external domains.

CONDITION:

- XMail version: 1.25, 1.26, 1.27-pre1; versions up to 1.24 work fine.
1.25 has "Completely changed the DNS resolution code." so it's natural
suspect.
- Windows Server 2008 R2 x64; didn't tried it yet on other OS
- SmartDNSHost enabled (tried several DNS servers on different platforms
so I can probably safely say problem isn't in the DNS server)

EFFECT:

When XMail receives message intended for external delivery via SMTP or
LMAIL, the message disappears without trace. There is no message in
spool and there is no record of any activity in SMAIL log. If the sender
is local, no error message is delivered to his mailbox.

There is one quite strange thing: the DNS resolution itself seems to
work, because when I have CheckMailerDomain=1 it's able to correctly
check if MAIL FROM domain has DNS/MX entries or not.

--
Michal A. Valasek, Altairis Chief Software Architect, Microsoft ASP.NET
MVP
Contacts: [email protected] | +420 245 008 000 | PGP 0xC4F3579D
Projects: www.altairis.cz | www.rider.cz | www.aspnet.cz

Never appeal to a man's "better nature." He may not have one.
Invoking his self-interest gives you more leverage. (Lazarus Long)


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