diff --git a/docs/exchangelib/folders/base.html b/docs/exchangelib/folders/base.html
index 6b8dc2b3..3aa92c5a 100644
--- a/docs/exchangelib/folders/base.html
+++ b/docs/exchangelib/folders/base.html
@@ -124,7 +124,8 @@ <h1 class="title">Module <code>exchangelib.folders.base</code></h1>
         self.item_sync_state = kwargs.pop(&#34;item_sync_state&#34;, None)
         self.folder_sync_state = kwargs.pop(&#34;folder_sync_state&#34;, None)
         super().__init__(**kwargs)
-        if self._distinguished_id and self.account:
+        if self._distinguished_id and not self._distinguished_id.mailbox and self.account:
+            # Ensure that distinguished IDs have a mailbox, but don&#39;t override a custom mailbox (e.g. shared folders)
             self._distinguished_id.mailbox = Mailbox(email_address=self.account.primary_smtp_address)
 
     @property
@@ -1039,7 +1040,8 @@ <h2 class="section-title" id="header-classes">Classes</h2>
         self.item_sync_state = kwargs.pop(&#34;item_sync_state&#34;, None)
         self.folder_sync_state = kwargs.pop(&#34;folder_sync_state&#34;, None)
         super().__init__(**kwargs)
-        if self._distinguished_id and self.account:
+        if self._distinguished_id and not self._distinguished_id.mailbox and self.account:
+            # Ensure that distinguished IDs have a mailbox, but don&#39;t override a custom mailbox (e.g. shared folders)
             self._distinguished_id.mailbox = Mailbox(email_address=self.account.primary_smtp_address)
 
     @property
diff --git a/docs/exchangelib/folders/index.html b/docs/exchangelib/folders/index.html
index df85f225..a0b44c5a 100644
--- a/docs/exchangelib/folders/index.html
+++ b/docs/exchangelib/folders/index.html
@@ -1561,7 +1561,8 @@ <h3>Inherited members</h3>
         self.item_sync_state = kwargs.pop(&#34;item_sync_state&#34;, None)
         self.folder_sync_state = kwargs.pop(&#34;folder_sync_state&#34;, None)
         super().__init__(**kwargs)
-        if self._distinguished_id and self.account:
+        if self._distinguished_id and not self._distinguished_id.mailbox and self.account:
+            # Ensure that distinguished IDs have a mailbox, but don&#39;t override a custom mailbox (e.g. shared folders)
             self._distinguished_id.mailbox = Mailbox(email_address=self.account.primary_smtp_address)
 
     @property
diff --git a/docs/exchangelib/index.html b/docs/exchangelib/index.html
index c227954d..3e727087 100644
--- a/docs/exchangelib/index.html
+++ b/docs/exchangelib/index.html
@@ -64,7 +64,7 @@ <h1 class="title">Package <code>exchangelib</code></h1>
 from .transport import BASIC, CBA, DIGEST, GSSAPI, NTLM, OAUTH2, SSPI
 from .version import Build, Version
 
-__version__ = &#34;5.4.2&#34;
+__version__ = &#34;5.4.3&#34;
 
 __all__ = [
     &#34;AcceptItem&#34;,
diff --git a/docs/exchangelib/winzone.html b/docs/exchangelib/winzone.html
index 715564e4..2bea7901 100644
--- a/docs/exchangelib/winzone.html
+++ b/docs/exchangelib/winzone.html
@@ -379,8 +379,6 @@ <h1 class="title">Module <code>exchangelib.winzone</code></h1>
     &#34;Australia/Melbourne&#34;: (&#34;AUS Eastern Standard Time&#34;, &#34;AU&#34;),
     &#34;Australia/Perth&#34;: (&#34;W. Australia Standard Time&#34;, &#34;001&#34;),
     &#34;Australia/Sydney&#34;: (&#34;AUS Eastern Standard Time&#34;, &#34;001&#34;),
-    &#34;CST6CDT&#34;: (&#34;Central Standard Time&#34;, &#34;ZZ&#34;),
-    &#34;EST5EDT&#34;: (&#34;Eastern Standard Time&#34;, &#34;ZZ&#34;),
     &#34;Etc/GMT&#34;: (&#34;UTC&#34;, &#34;ZZ&#34;),
     &#34;Etc/GMT+1&#34;: (&#34;Cape Verde Standard Time&#34;, &#34;ZZ&#34;),
     &#34;Etc/GMT+10&#34;: (&#34;Hawaiian Standard Time&#34;, &#34;ZZ&#34;),
@@ -478,8 +476,6 @@ <h1 class="title">Module <code>exchangelib.winzone</code></h1>
     &#34;Indian/Mauritius&#34;: (&#34;Mauritius Standard Time&#34;, &#34;001&#34;),
     &#34;Indian/Mayotte&#34;: (&#34;E. Africa Standard Time&#34;, &#34;YT&#34;),
     &#34;Indian/Reunion&#34;: (&#34;Mauritius Standard Time&#34;, &#34;RE&#34;),
-    &#34;MST7MDT&#34;: (&#34;Mountain Standard Time&#34;, &#34;ZZ&#34;),
-    &#34;PST8PDT&#34;: (&#34;Pacific Standard Time&#34;, &#34;ZZ&#34;),
     &#34;Pacific/Apia&#34;: (&#34;Samoa Standard Time&#34;, &#34;001&#34;),
     &#34;Pacific/Auckland&#34;: (&#34;New Zealand Standard Time&#34;, &#34;001&#34;),
     &#34;Pacific/Bougainville&#34;: (&#34;Bougainville Standard Time&#34;, &#34;001&#34;),