SmtpLogic is proud to offer free tools to help you monitor email configuration
& delivery. Additional power tools are available to logged in SmtpLogic customers.
Whether you are a system administrator or just want to learn about email delivery,
our toolbox will provide you with actionable information.
The Domain Name System (DNS) is a hierarchical distributed naming system
that contains mappings of DNS domain names to various types of data, such as IP addresses.
This tool will list the DNS resource records for the most common types.
A Pointer (PTR) record maps an IP address to a hostname.
This tool will list the PTR records.
Sender Policy Framework (SPF) allows domain owners
to specify which hosts are allowed to send emails from a given domain.
This email validation system aims at preventing legitimate domains to be classified as spam.
This tool will list the SPF records.
A Real-time Blackhole List (RBL) is a list of mail server IP addresses
that are considered as spammers. To receive regular deliverability reports,
try our tracking applet.
This tool will test the mail server IP address against email blacklists.
Simple Mail Transfer Protocol (SMTP)
is a standard for email transmission across IP networks.
This tool will test a SMTP mail server.
This server type finder will try to find which email solution a domain name uses.