Merge commit from fork

* fix(backend): check target IP before sending HTTP request

* fix(backend): allow accessing private IP when testing

* Apply suggestions from code review

Co-authored-by: anatawa12 <anatawa12@icloud.com>

* fix(backend): lint and typecheck

* fix(backend): add isLocalAddressAllowed option to getAgentByUrl and send (HttpRequestService)

* fix(backend): allow fetchSummaryFromProxy, trueMail to access local addresses

---------

Co-authored-by: anatawa12 <anatawa12@icloud.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/backend/src/core/EmailService.ts

@@ -312,6 +312,7 @@ export class EmailService {
 					Accept: 'application/json',
 					Authorization: truemailAuthKey,
 				},
+				isLocalAddressAllowed: true,
 			});
 
 			const json = (await res.json()) as {