host smtpauth.eonet.ne.jp[203.140.81.12] said: 5
30 5.7.0 Authentication required (in reply to MAIL FROM command
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### /etc/postfix/main.cfに追記。 smtp_sasl_auth_enable = yes |
SASL authentication failed; cannot authenticate to server smtpauth.eonet.ne.jp[203.140.81.12]: no mechanism available
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# yum install cyrus-sasl-plain |