- CtdlEncodeBase64(msg->cm_fields[eErrorMsg], CTX->signature->data, CTX->signature->length, 0);
+ size_t len = CtdlEncodeBase64(msg->cm_fields[eErrorMsg], CTX->signature->data, CTX->signature->length, 0);
+
+ if (msg->cm_fields[eErrorMsg][len - 1] == '\n') {
+ msg->cm_fields[eErrorMsg][len - 1] = '\0';
+ }