Re: Outgoing Exchange (SBS) SMTP email not working with DynDNS Outbound service
From: Eriq Neale (eon_at_eonconsulting.idonotwantspam.net)
Date: 02/25/05
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Date: Fri, 25 Feb 2005 02:34:47 GMT
Hey Phil. Responses inline...
On 2005-02-24 17:59:09 -0600, "Phil" <phil@NOSPAM.cherbaka.com> said:
> I have Verizon DSL residential with dynamic IP. My server domain is
> "cherbaka.local" and I do have a cherbaka.com domain that is hosted by a 3rd
> party (comprised of only a www server). I did the usual stuff, like:
> 1. SmallBusiness SMTP Connecter Properties:
> a. General: Forward all mail thru smarthost:
> "outbound.mailhop.org"
> b. Advanced: Request ETRN/TURN from different server:
> "outbound.mailhop.org"
> c. Advanced: Outbound Security: Basic auth, used my DynDNS
> username/password
1.b. Unless you're actually pulling mail down from this server, you
don't need to set the ETRN/TURN option. that has nothin to do with
outbound mail. i'd change that setting back to "Do not send ETRN/TURN"
1.c. In addition to theBasic Authentication settings, check the TLS
Encryption box. mailhop supports these secure connections, and since
you don't have to send your usernae/password in clear text, you
shouldn't.
> 2. Default SMTP Virtual Server Properties:
> a. Delivery: Outbound Security: Basic auth, used my DynDNS
> username/password
> b. Delivery: Advanced: FQDN="smith.com", which is a valid domain
> but hosted by a 3rd party
> c. Delivery: Advanced: Smart host="outbound.mailhop.org"
2.a. Again, make sure you enable the TLS encryption box here, too.
> When I try sending emails, they bounce back with a "550-Verification failed
> for <Phil@smith.local>" error.
Inside ESM, open Recipients, Recipient Policies, and open the
properties for the Default Policy. Which SMTP address is listed in
BOLD (i.e., your default address)? i'm going to guess it's the
"smith.local" address. It should be the "smith.com" address.
> mail from:<phil@cherbaka.local> size=2038
> --> 250 ok
> rcpt to:<testuser@gmail.com>
> -> 550-verification failed for <phil@cherbaka.local>
> === END LOG ===
>
> I think the problem is that "cherbaka.local" is an unresolved domain, so
> DynDNS's server is not accepting the email. Where in Exchange do I modify
> things so that mail is not from phil@cherbaka.local but rather
> phil@NOSPAM.cherbaka.com (you know what I mean, without the "NOSPAM." in
> there)?
I think you've hit the nail on the head, here. Make the changes in the
Default Recipient Policy and that *should* get that resolved.
HTH...
-Eriq
-- Eriq Neale - MCSE, MCSA Messaging, MCP Small/Medium Business, Mac Guru EON Consulting - www.eonconsulting.net Need additional IT insight? E-mail "support at eonconsulting dot net"
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