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SAP Knowledge Base Article - PreviewSymptom
Outbound emails are bounced (SMTP status code 5.7.26) despite relaxed DMARC alignment and maintained DNS records.
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Environment
SAP Service Cloud Version 2
Product
SAP Service Cloud Version 2 all versions
Keywords
smtp 5.7.26, email bounce, unauthenticated sender, spf fail, dkim fail, dmarc alignment, relaxed alignment, outbound email, return-path, mail-from, mta configuration, unauthorized sending ip, receiving domain restrictions, mx txt records, email deliverability , KBA , CEC-CRM-EML , Emails for SAP Sales/Service Cloud , Problem
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