On Monday 05 October 2009 14:13:16 Oscar Castaneda wrote: > I have a couple of users having problems with MSU mail being returned > with "local delivery failed: retry timeout exceeded", > all of them today in the morning. > > Since then, the emails had been sent and everything seems to be working > fine now. > I am just trying to establish what was happening today earlier. > It was email from mail.msu.edu accounts sent to mail.msu.edu accounts. > They were sent with Thunderbird. > > Did anybody had this type of problems? I didn't notice it, but there are many reasons why this could have happened, including temporary problems in your building, or one of the mail machines being overloaded (spam) for a while. I'm used to problems that last 10 minutes or less--it's the longer ones which are a pain. There is also the chance that imap as opposed to pop would have behaved differently. It's just one of those things... --STeve Andre'