telnet mail.domain.com 110
Trying xxx.xxx.xxx.xxx…
Connected to mail.domain.com.
Escape character is ‘^]’.
+OK Dovecot ready.
-ERR [AUTH] Plaintext authentication disallowed on non-secure (SSL/TLS) connections.
disable_plaintext_auth = yes
TO:
disable_plaintext_auth = no
Restart service dovecot and exim
# /etc/init.d/dovecot restart
# /etc/init.d/exim restart
Reason-:
This will allow plaintext passwords over an unsecured (non-SSL) connection. By default it is set to 'yes' for security reasons. Setting it to 'no' will mean less security but may help users of a "certain" Microsoft email software that is broken in many ways.
Trying xxx.xxx.xxx.xxx…
Connected to mail.domain.com.
Escape character is ‘^]’.
+OK Dovecot ready.
-ERR [AUTH] Plaintext authentication disallowed on non-secure (SSL/TLS) connections.
disable_plaintext_auth = yes
TO:
disable_plaintext_auth = no
Restart service dovecot and exim
# /etc/init.d/dovecot restart
# /etc/init.d/exim restart
Reason-:
This will allow plaintext passwords over an unsecured (non-SSL) connection. By default it is set to 'yes' for security reasons. Setting it to 'no' will mean less security but may help users of a "certain" Microsoft email software that is broken in many ways.