If found the issue. The from address was bad. Thanks for help.
On Thu, Dec 23, 2010 at 2:20 PM, Roman Gelfand <rgelfa...@gmail.com> wrote: > On Thu, Dec 23, 2010 at 2:06 PM, mouss <mo...@ml.netoyen.net> wrote: >> Le 23/12/2010 19:50, Roman Gelfand a écrit : >>> I am encountering trouble sending outbound email (connection time >>> outs). Is there a way I could see mail header contents without >>> connecting to the target server to send out the email? >>> >> >> try a sniffer (tcpdump, wireshark, ...) >> >> >> - if you have timeout with every remote server, then you have a borked >> box (known bugs: tcp windows scaling, delayed ack, ... etc.) or a borked >> firewall setup (common silly setup: block all icmp). > > Actually, this is what I am experiencing. However, behind the same > firewall I have exchange 2007 server and have no problems sending out > email to the same recipients. Both postfix and exchange servers have > the same firewall policies. All outgoing traffic. > > BTW... the originating server is exchange even now. Only now, I use > postfix as smart host. > > Also, I have been using the same postfix server as incoming mail > gateway for couple of years. Works great. > > Thanks > > > > > > >> >> - if you have timeout with few remote detinations, then they might be >> blocking you, rate-limiting you, foobaring you. you can try sending them >> mail from gmail (for example) and see. >> >
