>1. "SMTP client": the machine sending to our "SMTP server". About which >we know the IP address and maybe PTR hostname.
I got the following from 4tuple_unk.rpt: unknown[128.221.12.9]: from=<[EMAIL PROTECTED]> to=<[EMAIL PROTECTED]> helo=<mxic2.corp.emc.com> out of curiousity, why is the client unknown? - it has a ptr record (128.221.12.9 PTR record: mxic2.corp.emc.com. [TTL 86400s] [A=128.221.12.9]) cheers Peter ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been virus scanned and although no viruses were detected by the system, St Vincent's Hospital accepts no liability for any consequential damage resulting from email containing any computer viruses. **********************************************************************
