+1 I would check the queues first. Common issues like this are a user sending a ridiculously large attachment - if you do not have size restrictions in place. Or possibly some sort of spam-related flood - which would also be visible in the queues.
-- ME2 On Wed, Oct 13, 2010 at 9:08 AM, Carl Houseman <c.house...@gmail.com> wrote: > Probably those 2 e-mails showing in the outbound queue have large > attachments. > > > > Carl > > > > *From:* Oliver Marshall [mailto:oliver.marsh...@g2support.com] > *Sent:* Wednesday, October 13, 2010 8:41 AM > *To:* MS-Exchange Admin Issues > *Subject:* SMTP service causing massive outgoing bandwidth usage > > > > Hi chaps, > > > > We have an oddity, or perhaps not such an oddity, with an Exchange 2003 box > using up all the outgoing bandwidth. The issue appears to be outgoing > emails. If we stop the SMTP service then the bandwidth immediately drops. If > we turn it back on then within about a minute the bandwidth is used up and > the router graphs so that the Exchange servers IP is uploading stuff. > > > > However, with the SMTP service started, the Exchange queues are nearly > empty (currently 2 emails showing, both valid). The SMTP log itself doesn't > show a massive number of connections to the smarthost (postini). Postini > aren't reporting a large number of emails being sent to their server (at > least no larger than normal). There aren't any current connections showing > in the SMTP entry in Exchange Admin either. Relaying is limited to just > Postinis IPs and, as no one uses the SMTP server to send emails as they all > use OWA, no one is allowed to use the SMTP server at all. > > > > I can't see why, given that the queues are empty and the logs show nothing > major, why the SMTP service should be causing such an upload usage...unless > it's sending out loads of emails, then why aren't these showing up in any > queues/logs ? > > > > Anyone knnow what we've missed or what might be going on? > > > > Olly > > > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe exchangelist > --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist
