Tagged Questions

2
votes
1answer
136 views

SBS/Exchange 2003 Open Relay on Malformed Email Address

I have a Small Business Server 2003 (Exchange 2003 SP2). During a PCI Compliance audit, it was flagged as failing the open relay. I've used telnet to test, and here is what I've found: MAIL FROM: ...
1
vote
0answers
119 views

IIS 6.0 and Virtual SMTP relay ~ some messages are bouncing

I will give a quick overview and then the details. I have a Exchange 2003 environment that I have been asked to slap on a disclaimer on all outgoing mail. So I have setup a Windows 2003 server and ...
0
votes
3answers
1k views

How do I secure smtp in exchange?

We currently run windows server 2003 with exchange mail, but have been blocked with spamhaus.org even though we don't send out spam mail. My question is, what settings do I need to set with smtp to ...
1
vote
3answers
636 views

Allowing Sharepoint to relay email through Exchange

I have written a Sharepoint 2007 web part that sends a field from a form to a specified email address. I have got the form working as I require, but at present it can only send to internal email ...
1
vote
1answer
404 views

Unable To Relay

I have a 2003 Windows SBS that I have just setup users POP Connectors to get their mail into the Exchange 2003 Server (on the same box). I am able to receive email fine, but can't send email out with ...
0
votes
1answer
68 views

Email Proxy Loop

I have an exchange server 2003 running in Windows 2003. I have an unnamed program that listened for incoming mail, signs it with DKIM and then should relay it back to the Exchange server. I am a ...
1
vote
1answer
250 views

Exchange unable to relay mail outbound

I have some users configured in Exchange 2003 (delivery options tab) to forward mails to their external address. This was working fine until today. The mails are being held up in the SMTP queue ...
2
votes
5answers
4k views

Virus sending phishing emails through exchange server

It appears that there is a virus on my network somewhere that is sending phishing emails through my exchange server. I can see the messages in message tracking and I see many SMTP errors for NDR's and ...
0
votes
3answers
508 views

Exchange 2003: Outbound messages delivered locally

I'm trying to setup Exchnage 2003 in our test domain to send outbound messages. I would send an email to a gmail address, for example, but in the Message Tracking Center's message history for this ...