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    Resolved gmail SMTP authentication problem

    Solved already after a day looking for it. Error 334 gmail authentications with plesk obsidian Open and edit /etc/postfix/main.cf configuration file and comment out the following lines: #smtpd_tls_protocols = SSLv3, TLSv1 #smtpd_tls_ciphers = medium #smtpd_tls_exclude_ciphers = aNULL...
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    Resolved gmail SMTP authentication problem

    I have a new server with Plesk Obsidian 18.0.21 , and tried to config the first gmail account to check client email. So I have the pop error and fixed with this solution mentioned here Gmail POP3 Accounts Error [AUTH] Plaintext authentication disallowed on non-secure (SSL/TLS) connections »...
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