Are you sending to many recipients at one time? 5.5.3 is usually an error
indicating too many recipients.
What type of business environment as far as email goes - Exchange? Are you
using Word as your email editor? Is your version of Word different than your
version of Outlook?
--
Kathleen Orland - MVP Outlook
Outlook Tips:
http://www.outlook-tips.net/
http://www.howto-outlook.com/
"Teddy" wrote:
> This is baffling:
>
> I'm having trouble sending attachments. Everyone in my office uses the same
> e-mail server, and we all "authenticate" to send mail, since our mail server
> is remote. For some reason, however, most of my e-mails with attachments come
> back to me, usually with a 553 error. It never happens when I send
> internally, and none of my fellow employees has this problem. My attachments
> are modestly sized, as well - usually less than 1MB.
>
> I've checked and double-checked my settings. Authentication is set up
> properly. We're all using Outlook 2000 (yeah, I know), but like I said, I'm
> the only one with this problem.
>
> Thanks for any help!
>
> Teddy