My guess is that it's a problem with the surf control box's SMTP setup. It sounds like it isn't playing very well, or that it just can't keep up with the Exchange boxes rate of delivery.
-------------------------------------------------------------- Roger D. Seielstad - MTS MCSE MS-MVP Sr. Systems Administrator Inovis Inc. > -----Original Message----- > From: Bailey, Matthew [mailto:[EMAIL PROTECTED] > Sent: Thursday, June 19, 2003 12:30 PM > To: Exchange Discussions > Subject: Email delay problem > > > Here is my setup: > > 2 Exchange 2000 SP3 servers that send outbound e-mail via an > SMTP relay (SurfControl SMTP E-Mail Filter). > > The Internet Mail Connector is setup to forward all outbound > e-mail to the SMTP relay server. > > I am seeing messages with large attachements (1MB and larger) > slow down delivery of outbound e-mail. I can watch these > messages enter the IMC SMTP queue and virtually block other > messages from being delivered. After 5 minutes or so, all the > messages get move to an Undeliverable SMTP queue. The > process repeats itself in about a 10 minutes cycle. During > the cycle a few messages manage to slip out. > > The marketing department uses e-mail to deliver radio spots > (mp3 files) to radio stations and are reporting that it takes > 12 hours or longer for some recepiants to receive the > e-mails. (I know there are better ways to transfer large > attachments but I lost that battle) > > Any suggestions on how to optimize the connection or what may > be causing my problem? > > Thanks, > > - Matt > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t ext_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

