[Solved] GMAIL Error: The SMTP server requires a secure connection or the client was not authenticated

Question

Hi SirHow to fix this errorThe SMTP server requires a secure connection or the client was not authenticated The server response was 551 Authentication Required Learn more atReferring this link sirhttpwwwaspsnippetscomArticlesImplementForgotPasswordfunctionalityinASPNetusingCandVBNetaspx

Andrea · Accepted Answer

Hi Maddy718Please try the followingASPNet Gmail SystemNetMailSmtpException The SMTP server requires a secure connection or the client was not authenticatedIt might help youCheers Andrea

Mudassar · Answer

ReferGMAIL Error The SMTP server requires a secure connection or the client was not authenticated

[Solved] GMAIL Error: The SMTP server requires a secure connection or the client was not authenticated

GMAIL Error: The SMTP server requires a secure connection or the client was not authenticated

Company

Explore

Follow us

Contact Us