Thanks Simon, that did the trick. Strange that I could no reference to this on the MS Site?
Cheers, James. > Hi James > This happens when the header is more that 8192 bytes long and is by design. > I suggest that the user use bcc to send the mails off. > Cheers > > -----Original Message----- > From: James Gosnold [mailto:[EMAIL PROTECTED]] > Sent: 31 October 2001 12:04 > To: MS-Exchange Admin Issues > Subject: Re: 552 Header Line is ridiculously overlong > > > Sorry just a bit more info about the NDR, it comes back listing each > recipient like so: > > The following recipient(s) could not be reached: > > Bob Smith (E-mail) on 31/10/01 10:49 > Unable to deliver the message due to a communications failure > The MTS-ID of the original message is: c=GB;a= > ;p=ORG;l=MAIL_SERVER-011031104908Z-8524 > MSEXCH:IMS:ORG:SITE:MAIL_SERVER 3552 (000B099C) 552 Header line > is ridiculously overlong > > Thanks, James. > > > > Dear all, > > > > One of our users is receiving this NDR (as am I as the IMS Admin) when > > he tries to send an e-mail to Mailshot distribution list he created. > > > > First he added each individual name in the 'To' field and it failed. > > Then we created a distribution list (actually 2 of them to split them > > up) and it failed again. There are around 160 e-mail addresses in > > total. > > > > Technet is no help, a search on google found a couple of articles but > > they were a bit vague, due to one article we also tried putting the > > list into the CC field but alas this was also in vain. There are no > > restrictions on the users mailbox either. > > > > The server is 5.5 sp3 by the way. > > > > Any ideas my fellow Exchange administrators? Thanks. > > List Charter and FAQ at: > http://www.sunbelt-software.com/exchange_list_charter.htm List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm