here the text of image No. Time Source Destination Protocol Info 120 21.619575 148.244.85.212 148.244.85.213 TCP 1341 > smtp [FIN, ACK] Seq=0 Ack=0 Win=65535 Len=0 121 21.619807 148.244.85.213 148.244.85.212 TCP smtp > 1341 [ACK] Seq=0 Ack=1 Win=62780 Len=0 124 22.619724 148.244.85.212 148.244.85.213 TCP 1344 > smtp [SYN] Seq=0 Len=0 MSS=1460 125 22.619865 148.244.85.213 148.244.85.212 TCP smtp > 1344 [SYN, ACK] Seq=0 Ack=1 Win=62780 Len=0 MSS=1460 126 22.619892 148.244.85.212 148.244.85.213 TCP 1344 > smtp [ACK] Seq=1 Ack=1 Win=65535 Len=0 134 24.012461 148.244.85.213 148.244.85.212 SMTP Response: 220 smtp.didage.org.mx ESMTP Mirapoint 3.8.3-GA; Mon, 29 Jan 2007 11:57:00 -0600 (CST) 135 24.012907 148.244.85.213 148.244.85.212 TCP smtp > 1341 [FIN, ACK] Seq=88 Ack=1 Win=62780 Len=0 136 24.012953 148.244.85.212 148.244.85.213 TCP 1341 > smtp [ACK] Seq=1 Ack=89 Win=65447 Len=0 137 24.013032 148.244.85.212 148.244.85.213 TCP 1341 > smtp [RST, ACK] Seq=1 Ack=89 Win=0 Len=0 259 42.556807 148.244.85.212 148.244.85.213 TCP 1342 > smtp [FIN, ACK] Seq=0 Ack=0 Win=65535 Len=0 260 42.556986 148.244.85.213 148.244.85.212 TCP smtp > 1342 [ACK] Seq=0 Ack=1 Win=62780 Len=0 264 43.556890 148.244.85.212 148.244.85.213 TCP 1345 > smtp [SYN] Seq=0 Len=0 MSS=1460 265 43.557041 148.244.85.213 148.244.85.212 TCP smtp > 1345 [SYN, ACK] Seq=0 Ack=1 Win=62780 Len=0 MSS=1460 266 43.557066 148.244.85.212 148.244.85.213 TCP 1345 > smtp [ACK] Seq=1 Ack=1 Win=65535 Len=0 277 45.010810 148.244.85.213 148.244.85.212 SMTP Response: 220 smtp.didage.org.mx ESMTP Mirapoint 3.8.3-GA; Mon, 29 Jan 2007 11:57:21 -0600 (CST) 278 45.011168 148.244.85.213 148.244.85.212 TCP smtp > 1342 [FIN, ACK] Seq=88 Ack=1 Win=62780 Len=0 279 45.011212 148.244.85.212 148.244.85.213 TCP 1342 > smtp [ACK] Seq=1 Ack=89 Win=65447 Len=0 280 45.011291 148.244.85.212 148.244.85.213 TCP 1342 > smtp [RST, ACK] Seq=1 Ack=89 Win=0 Len=0 Jesus Alonso Rivas y Rivas wrote: > Hi, we still have the same problem, see attached file please > (wireshark software, network analyser) at the last line, listserv > brakes the connection. > We reinstalled ListServ with the default settings. > > BEst regards, > > > Pete Weiss wrote: >> At 12:50 1/24/2007 Wednesday, Jesus Alonso Rivas y Rivas wrote: >> >> >>>>> Then my ISP asked us to change the IP because they had to change >>>>> their IP's blocks. >>>>> So we proceeded to do the changes: >>>>> -We changed the Windows Server IP. (148.244.85.212) >>>>> -We changed the Mirapoint IP. (148.244.85.213) >>>>> -We changed the site.cfg file: >>>>> NODE=DIDAGE.ORG.MX >>>>> SMTP_FORWARD=148.244.85.213 >>>>> SMTP_FORWARD_1=4*148.244.85.213 >>>>> MYDOMAIN=DIDAGE.ORG.MX >>>>> -We also changed the DNS records (A and MX too). >>>>> >> >> Why not the PTR record also (which seems to be served by different NS)? >> >> I wonder if TTL is a (caching) problem somewhere? >> >> >> /P >> >> >> > >