It might help to know what the bounce message says.

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
>I have a customer using Lotus notes that gets a bounce back when she sends
>a
> meeting invitation. Yahoo swears it isn't their problem. I can send to
> her.
>
> Do I have an incorrect setting somewhere? Any ideas?
Head Scratcher - 23 Feb 2005 16:11 GMT
> It might help to know what the bounce message says.
>
[quoted text clipped - 6 lines]
>
> Delivery Failure Report
Your document: Rescheduled: IP Insurance Meeting (Feb 22 10:00 AM PST in
800-536-9061 PC#7343826)
was not delivered to: johncook@selectris.com
because: 501 Malformed message [#5.16.1] (X-Notes-Item:=32)
Head Scratcher - 23 Feb 2005 16:11 GMT
Delivery Failure Report
Your document: Rescheduled: IP Insurance Meeting (Feb 22 10:00 AM PST in
800-536-9061 PC#7343826)
was not delivered to: johncook@selectris.com
because: 501 Malformed message [#5.16.1] (X-Notes-Item:=32)
> It might help to know what the bounce message says.
>
[quoted text clipped - 4 lines]
> >
> > Do I have an incorrect setting somewhere? Any ideas?
Sue Mosher [MVP-Outlook] - 23 Feb 2005 16:26 GMT
See if your case matches that described at
http://www.experts-exchange.com/Applications/Email/Lotus_Notes_Domino/Q_21254464.html .
The discussion indicates that it may be Yahoo's fault after all.

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Delivery Failure Report
>
[quoted text clipped - 10 lines]
>> >
>> > Do I have an incorrect setting somewhere? Any ideas?