Mailing problem under Vista
It may happen that despite your e-mail software is well configured, same is not functioning. This may be due to incompatibility with your routers.
- To troubleshoot, go to menu start > Run and type cmd.
- Right click and select "run as administrator". In DOS, type the following command:
netsh int tcp set global autotuninglevel=disabled
- To activate the optimization, type the following command:
netsh int tcp set global autotuninglevel=enabled