Instructions/Info
Input Fields
TestReceiver parameter entry
  1. - + (less/more output)
More Options
  1.   (subscribers can run tests much faster)
  2.   (invalidates the Confidence Factor)
  3.   (see rfc-2818 section 3.1 paragraph 4)
  4. (seconds)
  5. (number or percent)
  6. (number or percent)
  7. The following options are restricted. You may only use them on systems you directly control. Improper use will harm CheckTLS.com and we will block your access and cancel your subscription without refund.

    These options are not useful for testing the security of an email server. They do not affect the Confidence Factor and have no bearing on the security of emails.


See what else you can test.

Test Results

Test results will show here when a test is run.