Hi, If the server change to heavy suddenly that you should check the process then you wonder DDOS attack. You can take tcpdump and block the DDOS server.
Hope solve. Noriyuki Hayashi > ok, > thanks for you replay, > but install dovecot is very hard. > > thanks > > > 2015-02-13 22:06 GMT+01:00 Johannes Weberhofer <[email protected]>: > > Which imap-server are you using? I'd highly recommend to use dovecot which > > is much faster and uses much less resources than other imap-servers. > > > > Johannes > > > > Am 10.02.15 um 15:32 schrieb Giuseppe Perna: > >> > >> hello, > >> thanks for your kind response. > >> I think I have between 400-600 members, but I would not know how to > >> find the exact number. > >> what should I do to prevent my server locks? > >> > >> > >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- NoriyukiHayashi<[email protected]> ibisMailで送信！ --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
