>I'm pretty sure that it blocks before writing to the disk. There's still >going to be some load, though - the server will still receive connections on >the SMTP port. yes, that's why I recommended he do it up at his border router, or filtering mail hub, so the mailbox server is available for users. Len http://BIND8NT.MEIway.com: ISC BIND 8.2.2 p5 installable binary for NT4 http://IMGate.MEIway.com: Build free, hi-perf, anti-spam mail gateways ------------------------------------------------------------------------------------------------ Archives: http://www.mail-archive.com/cf-talk@houseoffusion.com/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists or send a message with 'unsubscribe' in the body to [EMAIL PROTECTED]