Sender authentication

There are two standards to check the sender’s identity: SPF and DKIM. RealSender offers both of them:

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RealSender also provides:

smtp servers with dedicated ip
each customer receives a dedicated IP address the IP address is monitored daily over 60+ blacklists

secure smtp autentication
the server accepts only messages sent with SMTP authenticated over secure connection using TLS or SSL (the communications are encrypted using a dedicated digital certificate)

sender’s address check
the server accepts only the sending of messages from senders that have been configured and authorized

full email authentication
all messages sent through the server are authenticated using the standard protocols: SPF + Sender ID, DKIM + Domain Keys

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