Have you tried to SMTP_AUTH using their accounts and a different client (e.g. Thunderbird)? If that works then I'd ask the users to either change clients or update their versions of Outlook/Outlook Express. Office SP3 fixed a number of issue that some of my users had sending/receiving Email.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Thursday, April 10, 2008 12:21 AM To: [email protected] Subject: Re: [qmailtoaster] 553 Error, Outlook On Wed, 9 Apr 2008, Eric Shubert wrote: > > Only two clients (with two separate vdomains) are having this problem. > > Do they have "Outgoing server requires authentication" selected? That > setting's not on by default. Yes, most definitely. --Duncan --------------------------------------------------------------------- QmailToaster hosted by: VR Hosted <http://www.vr.org> --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- QmailToaster hosted by: VR Hosted <http://www.vr.org> --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
