Yes, if you are confident you have a good test case then try different extensions as quickly as you like.
The problem with too many dots is a separate issue; bug 1889102
And your networking problem is definitely a different problem - you should open a new bug for that.
Yes, if you are confident you have a good test case then try different extensions as quickly as you like.
The problem with too many dots is a separate issue; bug 1889102
And your networking problem is definitely a different problem - you should open a new bug for that.