421 Too many users - please try again later.
Serv-U架设的FTP服务器，用户连接老是失败，提示信息： FlashFXP v3.3.5 build 1110 WinSock 2.0 正在连接到 218.66.104.157 -> IP=218.66.104.157 PORT=21 已连接到 218.66.104.157 220 Serv-U FTP Server v6.4 for WinSock ready... USER editor001 421 Too many users - please try again later. 连接失败 正在延迟 120 秒, 之后将尝试第 1 次重新连接 正在连接到 218.66.104.157 -> IP=218.66.104.157 PORT=21 (尝试 # 1)…