Yes... the master running at root. My /etc/cyrus.conf is: # standard standalone server implementation START { # do not delete this entry! recover cmd="ctl_cyrusdb -r" # this is only necessary if using idled for IMAP IDLE # idled cmd="idled" } # UNIX sockets start with a slash and are put into /var/imap/socket SERVICES { # add or remove based on preferences imap cmd="imapd" listen="imap" prefork=0 imaps cmd="imapd -s" listen="imaps" prefork=0 pop3 cmd="pop3d" listen="pop3" prefork=0 pop3s cmd="pop3d -s" listen="pop3s" prefork=0 sieve cmd="timsieved" listen="sieve" prefork=0 # these are only necessary if receiving/exporting usenet via NNTP # nntp cmd="nntpd" listen="nntp" prefork=0 # nntps cmd="nntpd -s" listen="nntps" prefork=0 # at least one LMTP is required for delivery # lmtp cmd="lmtpd" listen="lmtp" prefork=0 lmtpunix cmd="lmtpd" listen="/var/imap/socket/lmtp" prefork=0 # this is required if using notifications # notify cmd="notifyd" listen="/var/imap/socket/notify" proto="udp" prefork=1 } EVENTS { # this is required checkpoint cmd="ctl_cyrusdb -c" period=30 # this is only necessary if using duplicate delivery suppression, # Sieve or NNTP delprune cmd="cyr_expire -E 3" at=0400 # this is only necessary if caching TLS sessions tlsprune cmd="tls_prune" at=0400 } -- *********************************** EVERYTHING HAS JUST BEGUN... On Thu, 19 May 2011 08:44:16 -0500, Dan White <dwhite@xxxxxxx> wrote: > On 19/05/11Â09:45Â+0700, Nguyen, Quoc Khanh wrote: >> >> >> Hi all, >> >> I could not start Cyrus IMAP (ver: 2.4.8 on Ubuntu Server) >>after i compile and config from source. I got a message when i checked >>/var/log/message: >> >> May 19 09:31:37 ldap master[813]: process started >> May >>19 09:31:37 ldap master[813]: unable to setsocketopt(IP_TOS): Operation >>not >>supported > > I'm not sure what 'IP_TOS' is. Is master running as root? > > What does your /etc/cyrus.conf look like? I think... may be version 2.4.8 of Cyrus IMAP have a problem. I compile and install a version 2.4.6 of Cyrus IMAP before and it worked OK...