Hello, Many rejection lines related to IP 208.83.137.117 and 208.83.137.118 appear in the log, on a CentOS postfix e-mail server. Does the Amavis service need to communicate with these addresses and ports? I appreciate your help. A. Costa
Additional information: grep "208.83.137." messages Oct 29 18:25:22 myserver kernel: DENY IN= OUT=External SRC=MYSERVERIP DST=208.83.137.117 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=20781 DF PROTO=TCP SPT=53858 DPT=2703 WINDOW=29200 RES=0x00 SYN URGP=0 or Oct 29 18:25:22 myserver kernel: DENY IN= OUT=External SRC=MYSERVERIP DST=208.83.137.118 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=20781 DF PROTO=TCP SPT=53858 DPT=2703 WINDOW=29200 RES=0x00 SYN URGP=0 netstat -atnp | grep "208.83.137.118" tcp 0 1 MYSERVERIP:53418 208.83.137.118:2703 SYN_SENT 7620/amavisd (ch7-0
