| Last Errors
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| type | timeLogged | orig | rcpt | dsnDiag |
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| b | Sat 26 Sep 15:12:15 | | izabillamiko@yahoo.com | smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF guillaumefonteneau.fr with ip 51.254.211.100 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |
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