composed message in Yahoo mail and when I clicked the send button it got hung up. I tried the same thing with IE 6 and it worked okay. here's the error page returned by Yahoo: Request Timeout The firewall did not detect the end of your request within a reasonable amount of time. This may be due to one or more of the following: * An incorrectly formatted request, * a bug in your client software, * an overly congested network link between your client and the firewall, or * extraordinarily high latency between your client and the firewall. The request seen by the firewall was: * http://us.f133.mail.yahoo.com/ym/Compose?YY=69002
Does the form have a file upload control (eg for attachments)?
>Does the form have a file upload control (eg for attachments)? Yes, "Add/Delete Attachments". But I was sending only text.
if you are using a 0.9.7 release, please read the release notes http://www.mozilla.org/releases/mozilla0.9.7/ - Uploading Files
Release notes say: ------------------ Mozilla will hang when submitting forms which have a field to upload files if this field is blank or refers to an invalid file. This affects sites using Zope or IMP webmail, among others. (Bug 116210) ------------------ This is fixed on the trunk... *** This bug has been marked as a duplicate of 116210 ***