diff --git a/app/lib/email_processor.rb b/app/lib/email_processor.rb
index 8f2d23b9..2683718c 100644
--- a/app/lib/email_processor.rb
+++ b/app/lib/email_processor.rb
@@ -83,6 +83,7 @@ def process
               next if image_height && image_width && image_height < 100 && image_width < 100
 
               # skip signature images
+              next if image_url.downcase.include?("googleusercontent.com/mail-sig/")
               next if @user.id == 293 && image_url.downcase.include?("cropped-img-0719-300x86.jpeg")
               next if @user.id == 10836 && image_url.downcase.include?("b_logo.png")
               next if @user.id == 2541 && image_url.downcase.include?("image001.jpg")