Sandy, thanks for this, I overlooked it on the first reply. Some things you mentioned, I don't know how to accomplish -- I guess I've just been a simpleton all these years.
For example, how can I start "running averages" in the spool directory? > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Sanford > Whiteman > Sent: Wednesday, October 16, 2002 9:32 PM > To: Kelly Britt > Subject: Re: [IMail Forum] Upgraded from 6.x to 7.x and feeling > frustrated. > > > Kelly, > > Here's something very wrong with your setup, to start off: you don't > allow <> senders. A cursory look at the archives would have told you > NEVER to enable that option. And yes, depending on bounce volume, it > can cause big ol' problems, though there are more likely culprits > here. > > > Ok, I've been using Imail for probably 5 years for our hosting > company -- we > > have about 2000 virtual hosts & ~7000 users. > > Not really relevant metrics. You need to know bytes in/out and > messages in/out: that's your usage for SMTP. IWEBMSG usage is another > story, and again your number of *potential* users is irrelevant vs. > your actual number of bytes transferred, and number of concurrent > sessions, in practice. > > > About once a day or so, we have to restart the SMTP server > > Okay, question #1: Is it chewing up the CPU at that moment (sounds > like it's not, from what you said below)? Or is it just not responding > to new sessions, and hanging in-progress ones? How many spool files do > you orphan, and with what distribution of extensions and D file sizes > (start running averages now)? Any similarity in the recipient Q files > at the time the service hangs (i.e. corrupt mailboxes)? How many > SMTP32s are usually running at the time? > > > Today, smtp was dying more frequent than ever! Web messaging seems much > > more slow, and IMAP is frequently timing out!! > > Like John said: NIC, NIC, NIC...this is one of the first things > people'd swap in a workstation. Can't imagine why more people don't > put this on the top of the server troubleshooting shelf. And > switchport errors, patch errors, etc. > > > I have dropped two name servers listed in the lookup box to one. > > This seems to be a common suggestion from support that has picked up > some steam recently, but I do not believe that it is grounded in a > real problem with IMail. However, it is not a bad idea to rotate in > your DNS servers to see if one or more may be broken or slow, though > simply leaving the first server in there arbitrarily is not very > scientific. > > > I have moved the spool directory to a different drive (having to > > break a mirror to try this). > > Geez, you could have just bought a micro-cheap IDE drive for testing. > :) > > > I've set the log file to the log server so I can watch smtp traffic > > real time. Nothing seems abnormal. > > So you're not seeing anything in the real-time logs (unfinished > processes), nor anything consistent in the spool at the moment that > the server hangs? How about PerfMon baselining of CPU and network I/O > to compare to SMTP restart times? > > -Sandy > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
