chore: merge release/2.165.0 into master (supabase#1875)

This merges a small release hotfix committed into the releases branch
back into master.

---------

Co-authored-by: Kang Ming <kang.ming1996@gmail.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.165.1](https://github.com/supabase/auth/compare/v2.165.0...v2.165.1) (2024-12-06)
+
+
+### Bug Fixes
+
+* allow setting the mailer service headers as strings ([#1861](https://github.com/supabase/auth/issues/1861)) ([7907b56](https://github.com/supabase/auth/commit/7907b566228f7e2d76049b44cfe0cc808c109100))
+
 ## [2.165.0](https://github.com/supabase/auth/compare/v2.164.0...v2.165.0) (2024-12-05)
 
 

internal/conf/configuration.go

@@ -403,7 +403,7 @@ type MailerConfiguration struct {
 	// EXPERIMENTAL: May be removed in a future release.
 	EmailValidationExtended       bool   `json:"email_validation_extended" split_words:"true" default:"false"`
 	EmailValidationServiceURL     string `json:"email_validation_service_url" split_words:"true"`
-	EmailValidationServiceHeaders string `json:"email_validation_service_key" split_words:"true"`
+	EmailValidationServiceHeaders string `json:"email_validation_service_headers" split_words:"true"`
 
 	serviceHeaders map[string][]string `json:"-"`
 }
@@ -414,7 +414,7 @@ func (c *MailerConfiguration) Validate() error {
 	if c.EmailValidationServiceHeaders != "" {
 		err := json.Unmarshal([]byte(c.EmailValidationServiceHeaders), &headers)
 		if err != nil {
-			return fmt.Errorf("conf: SMTP headers not a map[string][]string format: %w", err)
+			return fmt.Errorf("conf: mailer validation headers not a map[string][]string format: %w", err)
 		}
 	}
 

internal/mailer/validate.go

@@ -197,7 +197,7 @@ func (ev *EmailValidator) validateService(ctx context.Context, email string) err
 	}
 
 	rdr := bytes.NewReader(reqData)
-	req, err := http.NewRequestWithContext(ctx, "GET", ev.serviceURL, rdr)
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, ev.serviceURL, rdr)
 	if err != nil {
 		return nil
 	}
@@ -218,7 +218,8 @@ func (ev *EmailValidator) validateService(ctx context.Context, email string) err
 		Valid *bool `json:"valid"`
 	}{}
 
-	if res.StatusCode != http.StatusOK {
+	if res.StatusCode/100 != 2 {
+		// we ignore the error here just in case the service is down
 		return nil
 	}