Questions and Answers

Amy Rich

Readers,
I'm just writing to let everyone know that I have transitioned all Q&A responsibilities to Amy Rich. With my current job, I am no longer in front of a UNIX system every day and have become too far removed from the technology to contribute the quality of material you're used to. Please give Amy the same support you gave me (it's actually a pretty tough job writing a monthly column!) I've really enjoyed writing for all of you, and I invite you to continue to contact me. Thanks — Jim McKinstry

Q: I have a number of POP users that receive huge email attachments and then can't download their mail in any reasonable amount of time. Is there some way I can set the maximum message size that sendmail will accept, so that my users don't get these huge pieces of mail in the first place?

A: You can probably increase the timeout value on your POP server or switch your users over to IMAP to make the downloading of huge messages easier. You can set the maximum message size in sendmail, though, too. You want to change the confMAX_MESSAGE_SIZE m4 variable and rebuild your cf file. Check the following docs for more information:

http://www.sendmail.org/m4/readme.html

http://www.sendmail.org/m4/tweakingoptions.html

Q: What's the difference between A/UX, OS X, and Darwin? I've heard that OS X will run on Intel hardware. Is this true, and, if so, where can I get the Intel distribution?

A: Darwin is the core of Mac OS X. It's a UNIX-like OS based on FreeBSD, using a mach 3.0-based kernel.