Frequently Asked Questions
- CheckTLS source IP addresses and domains
- What is the difference between Professional and Corporate subscriptions?
- Why do you "score" TLS instead of giving a Yes or No answer?
- May we use the CheckTLS name and/or logo?
- How do I fix my email?
My email fails one or more of your tests
XYZ company will not do business with us unless we pass your test(s)
- Do you have a non-working TLS host I can test with?
- Why two different credentials: CustomerCode and UserCode?
- CheckTLS shows hostname verify error but OpenSSL does not?
- Why is my email slow?
- CheckTLS security
- What is the MXConfidenceFactor?