Problem while trying to send e-mails in C# using zoho smtp

Problem while trying to send e-mails in C# using zoho smtp

Hi,
I tried to use zoho smtp using the following settings

Host:   smtp.zoho.com
Port:   465,587 and 25 (used all three)
Enable SSL:  true

I tried to send mail using smtp specifying my username and password as credentials

Stills it shows an error "Mail sending failed"

Is there a way to solve this isusue?

Deepak

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