diff --git a/classes.py b/classes.py
index e39189a..8bdebd4 100644
--- a/classes.py
+++ b/classes.py
@@ -1355,7 +1355,10 @@ class IRCNetwork(PyLinkNetworkCoreWithUtils):
         # Safeguard against newlines in input!! Otherwise, each line gets
         # treated as a separate command, which is particularly nasty.
         data = data.replace('\n', ' ')
-        encoded_data = data.encode(self.encoding, 'replace')[:self.S2S_BUFSIZE] + b"\r\n"
+        encoded_data = data.encode(self.encoding, 'replace')
+        if self.S2S_BUFSIZE > 0:  # Apply message cutoff as needed
+            encoded_data = encoded_data[:self.S2S_BUFSIZE]
+        encoded_data += b"\r\n"
 
         log.debug("(%s) -> %s", self.name, data)
 
diff --git a/protocols/inspircd.py b/protocols/inspircd.py
index dee673b..c69f1b1 100644
--- a/protocols/inspircd.py
+++ b/protocols/inspircd.py
@@ -11,6 +11,9 @@ from pylinkirc.log import log
 from pylinkirc.protocols.ts6_common import *
 
 class InspIRCdProtocol(TS6BaseProtocol):
+
+    S2S_BUFSIZE = 0  # InspIRCd allows infinitely long S2S messages, so set bufsize to infinite
+
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)