I posted this to an Exchange newsgroup but they seem to think this is a "Developer Issue", so here it is again. Kal ********************************* I have access to two LANs each with an Exchange Server and a webserver. There is an MSDN article "Sending SMTP Mail by Port 25 Using CDOSYS". ...more >>

i am having problems getting mail delievered to one address everything else gets delieverd fine. i am running IIS6. the destination host has three MX records and MX1 went down. MX2 is still up but the smtp server wont deliever to it. i think MX3 is down also. the priority is MX1, MX2 then MX3...more >>

I have access to two LANs each with an Exchange Server and a webserver. There is an MSDN article "Sending SMTP Mail by Port 25 Using CDOSYS". I copied this code and on the first network it worked perfectly. The server that worked has an address of 10.0.0.x and the exchange server has an ad...more >>

Hello, We are getting quite a large number of "dictionary attacks" related to spam and virus email behavior. In other words, they are sending repeated emails to a list of common usernames at my domain name. These usernames do not exist. Most of this email has a forged and inaccurate sender ...more >>

Does anybody know why a pdf attachment would not display the pdf icon next to it when Outlook receives the message? I'm sending through smtp with the application-type of pdf. When it sends through my windows service it does not display the icon. If I send through my windows program it does di...more >>

A user received the following when sendning an email to an external recipient: You do not have permission to send to this recipient. For assistance, contact your system administrator. <mail2.domain-name.com #5.7.1 smtp;554 5.7.1 Message seems to be spam, rejected> The user sa...more >>

Hi, I'm trying to turn off 8 Bit MIME from IIS6.0, the OS is Windows 2003 so I cannot use MS Q262168. I think I can do it through the IIS resource kit with Metabase Explorer. Ive found the key which reports 7697601 which is default?, how do I get the 0x... number which is needed? HELP!!!...more >>

Hi, Our firewall currently forwards port 25 to a spam filter server, which then forwards it on to the gateway of our Mail server infrastructure (Exchange). We are in the process of replacing our spam filter with a new product (changing from MailMarshal to SurfControl Email Filter). The p...more >>

Good Day, I'd like to clean up the header information that is sent from my SMTP server. Belower is the received from portion of the email that is sent from my SMTP Server. Why do i get an unverified message? How can i change mycomputername to show mycomputername.domainname.com? Thanks ...more >>

Problem Overview: I have a win2k server box set up to scan incoming emails for spam using Brightmail 5.5. Once the message makes it past Brightmail it then gets forwarded via IIS 5 smtp to an Exchange 2000 server that then delivers it the users' mailbox. Ocassionally users tell me that ...more >>