could not replay to an email, and can't send to large numbers of recipients

[[e-mail]]

My email sending is very slow, in sending emails with attachments, and limited to replying to a large number of recipients.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: evolution 2.32.2-0ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-12.51-generic 2.6.38.8
Uname: Linux 2.6.38-12-generic i686
Architecture: i386
Date: Fri Dec 30 12:46:25 2011
ExecutablePath: /usr/bin/evolution
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
SourcePackage: evolution
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors:
 (firefox:1596): Gtk-CRITICAL **: IA__gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed
 (firefox:1596): Gdk-CRITICAL **: IA__gdk_window_set_back_pixmap: assertion `GDK_IS_WINDOW (window)' failed
 (firefox:1596): GLib-CRITICAL **: g_source_remove: assertion `tag > 0' failed
 (firefox:1596): GLib-CRITICAL **: g_source_remove: assertion `tag > 0' failed