How does Sinch E-mail 365 handle reputation and deliverability? – Sinch

inch E-mail 365 uses both SPF (Sender Policy Framework) and DKIM (Domain Key Identified Mail) for authenticated email delivery:

SPF (Sender Policy Framework)	Technically, DKIM provides a method for validating a domain name identity that is associated with a message through cryptographic (public –private keys) authentication. Identification of an email association with a trusted domain enhances deliverability.
DKIM (Domain Key Identified Mail)	Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrator.

Monitoring Reputation and Deliverability

Deliverability is monitored via 2 key mechanisms:

Using bounce reports: Both Soft and Hard bounces are reported (provided the recipient SMTP server provides the status).

Using sender score reports: Sender scores are industry standard for reporting on a sending domain or IP address’ acceptance within the ISP community. They are monitored by Return Path (a 3^rdParty).

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