Hello Prashanthkasula,
What is the name of your internet service provider, Free, Orange, SFR…? SMTP is used to route outgoing messages (Those you send).
Excellent Day.
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Best regards,
Bernard42.
https://h30434.www3.hp.com/t5/Printer-Setup-Software-Drivers/SMTP-email-server-error-The-server-might-be-down-or-busy-Try/td-p/8614578
