John R Pierce wrote: > Christopher Chan wrote: >> That default setting is no longer applicable today. Users will scream >> if they find out that their mails have been sitting in the queue for a >> day. For today's businesses, one day can make or break a deal and so >> email, being a much faster form of communication than snail mail, has >> come to be seen as the preferred choice. People start calling when >> they know they are supposed to get an email in a minute or so when it >> does materialize. > > > > So you never send any email to anyone using greylisting? thats odd, as > its very common nowdays. greylisting servers will auto-reject the > first attempt at sending an email, then accept it on a later retry > (typically 10 or 15 minutes is the default retry interval for most mail > servers). This /guarantees/ email will sit in your outbound queue for > at least one retry interval. Yes, so I get to tell the users, sorry, Yahoo is up to its antics again. Maybe it will go through in an hour. What advantage would I have in putting the queue on a distributed filesystem if I have to ensure that the MTAs do not try to both access the queue if they are not sendmail versus the simplicity of a local mirrored disk setup for the queue? > > I frequently run into outbound mail that sits in my queues for several > hours, the destination servers may be too busy, or they may be offline > for maintenance, many reasons. There's a k12 school district up in > Chico CA who's mail server seems to be down as often as its up, and > there are several folks on that server who subscribe to various email > lists I host. the mail gets through eventually. Do you put your outbound mail queue on a distributed filesystem? > > Email is /NOT/ IM. If your users expect it to function like Instant > Messaging, maybe you should suggest they use IM when they want immediate > response with feedback. > I am not going to make an issue of their expectations and make them use something that is not necessarily available or allowed. Email + attachments is not quite the same as IM + File Transfers