DuoCircle LLC is an integrated, cloud-based email security company. DuoCircle has launched AutoSPF, a service that helps companies avoid going over their DNS lookup limit by automatically flattening their SPF record. Going over the DNS lookup limited can keep emails from being delivered.
SPF (Sender Policy Framework) is an email authentication method used by email delivery services to prevent email spoofing. The problem is that SPF records limit the number of DNS lookups to just 10. Once that limit is exceeded, DNS lookups stop and email delivery starts to break down. Companies that use multiple service providers sending emails on their behalf can quickly exceed their DNS lookup limit. And since SPF comes with no error handling, there won't be any warning that emails aren't getting delivered.
SPF Flattening is simply replacing all the domains in the SPF record with their IP addresses, which eliminates the need for cascading DNS lookups. AutoSPF Does the flattening automatically without any user intervention. In this manner AutoSPF always returns a flattened SPF record to public DNS queries.
"We process email for tens of thousands of domains and receive email from millions of different companies and it's surprising how many SPF records are malformatted. We wanted to provide a service that would help solve this problem," said Brad Slavin, CEO of DuoCircle.
To ensure users never go over their DNS limit, AutoSPF includes the following capabilities: Automatic flattening of all the domains in the include, Deduplication of netblocks of all the domains in the include, Checking for changes in the include every couple minutes, Checking for changes in IP addresses of the service providers every couple minutes, Sending an alert anytime they include has changed, AutoSPF is designed for growing business that need to use multiple cloud services to deliver their emails.
About DuoCircle
DuoCircle, a privately-held company based in San Diego, CA, is a GDPR-compliant, integrated, cloud-based email solutions company with a suite of email security and delivery services. The DuoCircle services include PhishProtection.com, OutboundEmailFiltering.com, MailFlowMonitoring.com, AlumniForwarding.com and Commando.io. DuoCircle is a sponsor of Let's Encrypt, a service provided by the non-profit Internet Security Research Group (ISRG) that gives people free digital certificates because they want to create a more secure and privacy-respecting web.
DuoCircle is a provider of inbound and outbound email security solutions including Advanced Threat Defense, phish protection, spam filtering, outbound email filtering and Smart Quarantine.
5965 Village Way
Suite 105-234
San Diego, CA USA 92130
January 18, 2021 – DuoCircle Expands Partner Program for MSPs with Improved Office 365 Email Security and Phishing Protection
January 22, 2020 – DuoCircle Completes SOC 2 Compliance & Certification
January 08, 2020 – DuoCircle Offers Free MX Backup Plan for Businesses in Australia in Response To Forest Fires
December 02, 2019 – PhishProtection Announces $1000 Scholarship - Second Year Running
August 15, 2019 – DuoCircle Scholarship Winner Announced
May 02, 2019 – DuoCircle Purchases Service that Simplifies Linux Server Management
April 17, 2019 – DuoCircle Launches Service that Automatically Flattens SPF Records
April 17, 2019 – DuoCircle Launches Free Service to Monitor Mail Server Performance
March 22, 2019 – DuoCircle Sponsoring Open Certificate Authority Let's Encrypt for a Second Year
March 08, 2018 – DuoCircle Launches New Phishing Protection Service
