What reason would I have to make this up? If I'm wrong, the OPTIONS pre-flight request to a Thunderbird server can't possibly help me in any way. What good would it do me to add this? If I'm right, this was a serious bug that broke the configs even from ISPDB. Either way, the pre-flight definitely makes the subsequent request to ISPDB faster, by pre-warming DNS caches and the OCSP request is already done. So, this pre-flight request makes sense even in the hypothetical case that the bug did not exist. Compare http://bitsup.blogspot.com/2008/11/dns-prefetching-for-firefox.html .
Bug 1594366 Comment 21 Edit History
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What reason would I have to make this up? If I'm wrong, the OPTIONS pre-flight request to a Thunderbird server can't possibly help me in any way. What good would it do me to add this? If I'm right, this was a serious bug that broke the configs even from ISPDB. And I spent 6 months on this, so I see no reason why you would not believe me. Either way, the pre-flight definitely makes the subsequent request to ISPDB faster, by pre-warming DNS caches and the OCSP request is already done. So, this pre-flight request makes sense even in the hypothetical case that the bug did not exist. Compare http://bitsup.blogspot.com/2008/11/dns-prefetching-for-firefox.html .
What reason would I have to make this up? If I'm wrong, the OPTIONS pre-flight request to a Thunderbird server can't possibly help me in any way. What good would it do me to add this? If I'm right, this was a serious bug that broke the configs even from ISPDB. Either way, the pre-flight definitely makes the subsequent request to ISPDB faster, by pre-warming DNS caches and the OCSP request is already done. So, this pre-flight request makes sense even in the hypothetical case that the bug did not exist. Compare http://bitsup.blogspot.com/2008/11/dns-prefetching-for-firefox.html .