On 27 February 2013 13:16, Reindl Harald <h.rei...@thelounge.net> wrote: > > > Am 27.02.2013 13:14, schrieb Muzaffer Tolga Özses: >> >> On 02/27/2013 02:04 PM, Wietse Venema wrote: >>> egrep '(warning|error|fatal|panic): >> >> Unfortunately, all I get was these and similar, and the most recent one is >> from 2 days ago. >> >> egrep '(warning|error|fatal|panic):' /var/log/mail.log | head >> Feb 25 01:56:26 server postfix/smtpd[10324]: warning: >> s15313432.onlinehome-server.info[213.165.85.151]: SASL LOGIN >> authentication failed: UGFzc3dvcmQ6 >> Feb 25 01:56:28 server postfix/smtpd[10353]: warning: >> s15313432.onlinehome-server.info[213.165.85.151]: SASL LOGIN >> authentication failed: UGFzc3dvcmQ6 > > well, is 213.165.85.151 the IP of a customer? > has someone troubles? > > if not - ignore it because it's mostly some bad guy trying > tu misuse your machine and looking at the short interval > it seems that it is the case >
UGFzc3dvcmQ6 is the hash for password. I have hundred of attempts like this on a daily basis. But as Wietse will point out, this is not his problem. Simon
