diff --git a/requests_html.py b/requests_html.py
index fee56bb..2277ce6 100644
--- a/requests_html.py
+++ b/requests_html.py
@@ -294,7 +294,7 @@ class BaseParser:
 
                 try:
                     href = link.attrs['href'].strip()
-                    if href and not (href.startswith('#') and self.skip_anchors) and not href.startswith('javascript:'):
+                    if href and not (href.startswith('#') and self.skip_anchors) and not href.startswith('javascript:') and not href.startswith('mailto:'):
                         yield href
                 except KeyError:
                     pass
@@ -343,7 +343,7 @@ class BaseParser:
         # Support for <base> tag.
         base = self.find('base', first=True)
         if base:
-            result = base.attrs['href'].strip()
+            result = base.attrs.get('href', '').strip()
             if result:
                 return result
 
@@ -351,7 +351,7 @@ class BaseParser:
         parsed = urlparse(self.url)._asdict()
 
         # Remove any part of the path after the last '/'
-        path = '/'.join(parsed['path'].split('/')[:-1])
+        parsed['path'] = '/'.join(parsed['path'].split('/')[:-1]) + '/'
 
         # Reconstruct the url with the modified path
         parsed = (v for v in parsed.values())