某メールサーバ宛TLSでエラー発生
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postfix/smtp[28442]: ... delay=3866, delays=3865/0.04/0.31/0, dsn=4.7.5, status=deferred (Server certificate not trusted) postfix/smtp[28444]: certificate verification failed for ...:25: untrusted issuer /C=US/O=Equifax/OU=Equifax Secure Certificate Authority |
確認してみます。
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> /usr/local/bin/openssl s_client -showcerts -connect ...:25 -starttls smtp CONNECTED(00000003) depth=2 C = US, O = GeoTrust Inc., CN = GeoTrust Global CA verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/OU=... i:/C=US/O=GeoTrust Inc./CN=RapidSSL SHA256 CA - G3 -----BEGIN CERTIFICATE----- ... -----END CERTIFICATE----- 1 s:/C=US/O=GeoTrust Inc./CN=RapidSSL SHA256 CA - G3 i:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA -----BEGIN CERTIFICATE----- MIIEJTCCAw2gAwIBAgIDAjp3MA0GCSqGSIb3DQEBCwUAMEIxCzAJBgNVBAYTAlVT ... gP8L8mJMcCaY -----END CERTIFICATE----- 2 s:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA i:/C=US/O=Equifax/OU=Equifax Secure Certificate Authority -----BEGIN CERTIFICATE----- MIIDfTCCAuagAwIBAgIDErvmMA0GCSqGSIb3DQEBBQUAME4xCzAJBgNVBAYTAlVT ... b8ravHNjkOR/ez4iyz0H7V84dJzjA1BOoa+Y7mHyhD8S -----END CERTIFICATE----- |
3つ送られた証明書の最後の証明書の… 続きを読む Notable Changes in NSS 3.27 CA certs. – Removal of ‘Equifax Secure Certificate Authority’