postfix

fatal: no SASL authentication mechanisms && warning: xsasl_cyrus_server_get_mechanism_list: no applicable SASL mechanisms

If you see your Postfix reporting:

Jun 4 10:45:35 host postfix/smtpd[13609]: warning: xsasl_cyrus_server_get_mechanism_list: no applicable SASL mechanisms
Jun 4 10:45:35 host postfix/smtpd[13609]: fatal: no SASL authentication mechanisms

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