> Hi,
>
>
> I'm using cdo email to send email via my applications. Some of my clients are complaining that the email used to work now it stops. Any ideas why? It works fine for me on other computers.
>
> Ken

Check the firewall rules from the computers.
Maybe one of those updated their antiviruses. The main router can also block some ports, or even the internet provider.

Regards,

Cesar
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