Giuseppe De Nicolo':
> 136.233724 212.19.117.109 217.72.32.234 SMTP 131 S:
> 250 2.1.0 Ok | 250 2.1.5 Ok | 354 End data with <CR><LF>.<CR><LF>
> 136.441076 212.19.117.109 217.72.32.234 SMTP 131 [TCP
> Retransmission] S: 250 2.1.0 Ok | 250 2.1.5 Ok | 354 End data with
> <CR><LF>.<CR><LF>
> 136.468072 212.19.117.109 217.72.32.234 SMTP 131 [TCP
> Retransmission] S: 250 2.1.0 Ok | 250 2.1.5 Ok | 354 End data with
> <CR><LF>.<CR><LF>
> ..SNIP...
> 377.007113 212.19.117.109 217.72.32.234 SMTP 131 [TCP
> Retransmission] S: 250 2.1.0 Ok | 250 2.1.5 Ok | 354 End data with
> <CR><LF>.<CR><LF>
> 436.284965 212.19.117.109 217.72.32.234 SMTP 122 S:
> 421 4.4.2 smtp.oapointgroup.it Error: timeout exceeded
Somewhere between sender and receiver is a network with a smaller
MTU, and the sender is not receiving the ICMP "fragmentation needed"
messages. Only small packets are coming through.
Wietse
