diff --git a/test/minimail.py b/test/minimail.py
index 87eda7a..fa8abc4 100644
--- a/test/minimail.py
+++ b/test/minimail.py
@@ -55,15 +55,15 @@ def newer(file1, file2=None):
 def recv_all(inbox, marker):
     r = []
     while not r:
-        for f in compress(inbox.glob("*.eml"), partial(newer, file2=marker)):
-            with Lock(inbox):
-                try:
-                    t = f.readall()
-                    r.append(t)
-                except:
-                    pass
+        for p in inbox.glob("*.eml"):
+            if newer(p, inbox / marker):
+                with Lock(inbox):
+                    with open(p, "rb") as f:
+                        t = f.read(-1)
+                        r.append(t)
         if not r:
             sleep(1)
-    marker.touch(exist_ok=True)
+
+    (inbox / marker).touch(exist_ok=True)
     return r