Your IP address is in a range which has been blocked on all wikis.

The block was made by -revi (meta.wikimedia.org).
The reason given is Open proxy: Leaky webhost: Contact stewards if you're affected.

• Start of block: ‏۲۰ آوریل ۲۰۱۸، ساعت ۱۴:۵۲


• Expiration of block: ‏۲۰ آوریل ۲۰۲۰، ساعت ۱۴:۵۲

You can contact -revi to discuss the block.
You cannot use the "ایمیل به این کاربر" feature unless a valid email address is specified in your account preferences and you have not been blocked from using it.
Your current IP address is 2a02:4780:bad:3:fced:1ff:fe03:396, and the blocked range is 2A02:4780:BAD:0:0:0:0:0/48.
Please include all above details in any queries you make.