On 06/15/2016 06:33 PM, Marco Gaiarin wrote:
>
> I'm setting up my first SAN (an HP MSA 1040, indeed); setting up email i've
> seen that does not work.
>
> Digging a bit, i've found:
>
> 2016-06-15 18:26:26 SMTP protocol synchronization error (input sent without waiting for greeting): rejected connection from H=[10.5.254.2] input="NOOP\r\n"
>
> digging a bit more:
>
> 1 0.000000 10.5.254.2 -> 10.5.1.3 TCP 74 35486???25 [SYN] Seq=0 Win=14600 Len=0 MSS=1460 SACK_PERM=1 TSval=35267624 TSecr=0 WS=64
> 2 0.000257 10.5.1.3 -> 10.5.254.2 TCP 74 25???35486 [SYN, ACK] Seq=0 Ack=1 Win=14480 Len=0 MSS=1460 SACK_PERM=1 TSval=87315532 TSecr=35267624 WS=128
> 3 0.000744 10.5.254.2 -> 10.5.1.3 TCP 66 35486???25 [ACK] Seq=1 Ack=1 Win=14656 Len=0 TSval=35267624 TSecr=87315532
> 4 0.001255 10.5.254.2 -> 10.5.1.3 SMTP 72 C: NOOP
> 5 0.001388 10.5.1.3 -> 10.5.254.2 TCP 66 25???35486 [ACK] Seq=1 Ack=7 Win=14592 Len=0 TSval=87315532 TSecr=35267624
> 6 0.001989 10.5.1.3 -> 10.5.254.2 SMTP 98 S: 554 SMTP synchronization error
> 7 0.002257 10.5.1.3 -> 10.5.254.2 TCP 66 25???35486 [FIN, ACK] Seq=33 Ack=7 Win=14592 Len=0 TSval=87315532 TSecr=35267624
> 8 0.002369 10.5.254.2 -> 10.5.1.3 TCP 66 35486???25 [ACK] Seq=7 Ack=33 Win=14656 Len=0 TSval=35267624 TSecr=87315532
> 9 0.003555 10.5.254.2 -> 10.5.1.3 TCP 66 35486???25 [FIN, ACK] Seq=7 Ack=34 Win=14656 Len=0 TSval=35267624 TSecr=87315532
> 10 0.003762 10.5.1.3 -> 10.5.254.2 TCP 66 25???35486 [ACK] Seq=34 Ack=8 Win=14592 Len=0 TSval=87315533 TSecr=35267624
>
> there's some way to fix that (exim side)? Thanks.
>
You can put something like this in acl_smtp_connect
accept
hosts = msa1040
control = no_enforce_sync
