sieve runtime error on redirect

[Sunny]

Hi,

I'm getting issues with sieve unable to redirect messages for any user 
with redirect set.

Any pointers to solve this issue?

Mar  7 11:52:15 imap02 lmtpunix[8635]: sieve runtime error for ssntest2 
id <56DD69D8.3040806 at ebi.ac.uk>: Redirect: Sendmail process terminated 
normally, exit status 78

ls -ls /var/spool
  4 drwxrwx---  2 smmsp  smmsp   4096 Mar  7 11:24 clientmqueue

The stage directory has a file from 2nd March

[root at imap stage.]# ls
  4520 -rw-------  1 cyrus mail  4628480 Mar  2 17:58 28930-1456941523-1

imapd.conf

configdirectory: /var/lib/imap
partition-default: /var/spool/imap
admins: cyrus
sievedir: /var/lib/imap/sieve
sendmail: /usr/sbin/sendmail
hashimapspool: true
sasl_pwcheck_method: saslauthd
sasl_mech_list: PLAIN
# uncomment this if you're operating in a DSCP environment (RFC-4594)
# qosmarking: af13

duplicatesuppression: yes
anysievefolder: true

sync_host: backup-imap
sync_authname: cyrus
sync_password:  #######

sync_log: 1
sync_repeat_interval: 1



cyrus.conf

# 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"
syncclient       cmd="/usr/lib/cyrus-imapd/sync_client -r"
}

# UNIX sockets start with a slash and are put into /var/lib/imap/sockets
SERVICES {
   # add or remove based on preferences
   imap          cmd="imapd" listen="imap" prefork=5
   imaps         cmd="imapd -s" listen="imaps" prefork=1
   pop3          cmd="pop3d" listen="pop3" prefork=3
   pop3s         cmd="pop3d -s" listen="pop3s" prefork=1
   sieve         cmd="timsieved" listen="sieve" prefork=0
   oldsieve      cmd="timsieved" listen="2000" prefork=0

   # these are only necessary if receiving/exporting usenet via NNTP
#  nntp         cmd="nntpd" listen="nntp" prefork=3
#  nntps                cmd="nntpd -s" listen="nntps" prefork=1

   # at least one LMTP is required for delivery
#  lmtp         cmd="lmtpd" listen="lmtp" prefork=0
   lmtpunix      cmd="lmtpd" listen="/var/lib/imap/socket/lmtp" prefork=1

   # this is only necessary if using notifications
#  notify       cmd="notifyd" listen="/var/lib/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
}