Impedisce combinazioni SMTP errate tra porta e crittografia.

Evita l'errore SSL wrong version number quando SSL/TLS è impostato sulla porta 587 invece che sulla 465.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/models/mail_identity.rb

@@ -15,6 +15,7 @@ class MailIdentity < ApplicationRecord
   validates :smtp_port, numericality: { in: 1..65535 }
   validates :encryption, inclusion: { in: ENCRYPTIONS }
   validates :smtp_authentication, inclusion: { in: Catalog::MAIL_AUTH_METHODS.keys }
+  validate :encryption_matches_port
 
   scope :active, -> { where(active: true) }
   scope :ordered, -> { order(:name) }
@@ -38,4 +39,16 @@ class MailIdentity < ApplicationRecord
     end
     settings
   end
+
+  private
+
+  def encryption_matches_port
+    return if smtp_port.blank? || encryption.blank?
+
+    if encryption == "tls" && smtp_port == 587
+      errors.add(:smtp_port, "con SSL/TLS va usata la porta 465 (es. smtps.aruba.it)")
+    elsif encryption == "starttls" && smtp_port == 465
+      errors.add(:smtp_port, "con STARTTLS va usata la porta 587 (es. smtp.aruba.it)")
+    end
+  end
 end