HELO Identity Verification
Verify your mail server's SMTP greeting. We ensure your HELO hostname is a valid FQDN and strictly confirmed through live forward and reverse DNS lookups.
SMTP Diagnostic Tools
Verify your mail server's SMTP greeting with absolute precision. We execute strict, live forward (A/AAAA) and reverse (PTR) DNS lookups to ensure your HELO/EHLO identity aligns perfectly with your outbound IP, enforcing RFC 5321 compliance with real-time data and absolutely zero simulations.
Verify your mail server's SMTP greeting. We ensure your HELO hostname is a valid FQDN and strictly confirmed through live forward and reverse DNS lookups.
A mismatched HELO identity is a top trigger for spam filters. We audit your server's handshake identity to ensure perfect alignment with your DNS infrastructure.
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