Scratch my previous suggestion as it was obviously not the correct
solution. Read on.
On 5/4/2014 9:01 AM, post...@nisny.com wrote:
> On , wie...@porcupine.org wrote:
>> post...@nisny.com:
>>> There were several attempts from postfix to connect to 6 different mx
>>> servers to deliver one email.
On , wie...@porcupine.org wrote:
post...@nisny.com:
There were several attempts from postfix to connect to 6 different mx
servers to deliver one email. They all have the same result so I'm
only
including the dump of the first here:
We see SYN, SYN|ACK, ACK, and a bunch of retransmissions.
On , Stefan Foerster wrote:
nk11p00mm-mx006.me.com.smtp: Flags [S], seq 3314275386, win 1400,
options [mss 1460,nop,wscale 6,sackOK,TS val 170874802 ecr 0],
length 0
E..<.e@.@..r.d.:...x...
[...]
I then did a capture of a telnet session to the same server on port
2
post...@nisny.com:
> There were several attempts from postfix to connect to 6 different mx
> servers to deliver one email. They all have the same result so I'm only
> including the dump of the first here:
We see SYN, SYN|ACK, ACK, and a bunch of retransmissions.
SYN: Initial client window
> nk11p00mm-mx006.me.com.smtp: Flags [S], seq 3314275386, win 1400,
> options [mss 1460,nop,wscale 6,sackOK,TS val 170874802 ecr 0],
> length 0
> E..<.e@.@..r.d.:...x...
[...]
> I then did a capture of a telnet session to the same server on port 25:
>
> reading from
On 5/4/2014 3:02 AM, Stan Hoeppner wrote:
...
> 1. Create relay transports for the problem domains and limit
> concurrency to those domains, until your sender reputation with Akamai
> has increased to the point they allow parallel deliveries.
>
> 2. Contact the Akamai hostmaster and inquire as t
On 5/3/2014 9:48 PM, post...@nisny.com wrote:
...
> I am clueless as to why telnet would receive a correct response but
> Postfix not.
>
> I know see this is not necessarily a Postfix issue but not sure what the
> next step would be, so if anyone can offer guidance it would be
> appreciated.
The
You may learn more by capturing a few failed SMTP sessions with
tcpdump.
Wietse
Wietse,
You are correct, I learned more but not enough for me, at least, to
figure out what it means.
Clarification, thru all this I've talked about connecting to icloud.com
mx. For the purposes of
On , wie...@porcupine.org wrote:
post...@nisny.com:
>> Trying 17.172.34.70...
>> Connected to st11p00mm-mx006.me.com.
>> Escape character is '^]'.
>> 220 st11p00mm-smtpin012.mac.com -- Server ESMTP (Oracle Communications
>> Messaging Server 7u4-27.08(7.0.4.27.7) 64bit (built Aug 22 2013))
I ma
post...@nisny.com:
> >> Trying 17.172.34.70...
> >> Connected to st11p00mm-mx006.me.com.
> >> Escape character is '^]'.
> >> 220 st11p00mm-smtpin012.mac.com -- Server ESMTP (Oracle Communications
> >> Messaging Server 7u4-27.08(7.0.4.27.7) 64bit (built Aug 22 2013))
I made a telnet connection from
On , wie...@porcupine.org wrote:
post...@nisny.com:
Wietse, thank you for your efforts. Telnet isn't telling me anything
new:
Trying 17.172.34.70...
Connected to st11p00mm-mx006.me.com.
Escape character is '^]'.
220 st11p00mm-smtpin012.mac.com -- Server ESMTP (Oracle Communications
Messaging S
post...@nisny.com:
> Wietse, thank you for your efforts. Telnet isn't telling me anything
> new:
>
> Trying 17.172.34.70...
> Connected to st11p00mm-mx006.me.com.
> Escape character is '^]'.
> 220 st11p00mm-smtpin012.mac.com -- Server ESMTP (Oracle Communications
> Messaging Server 7u4-27.08(7.
On , Stan Hoeppner wrote:
On 5/3/2014 7:54 AM, post...@nisny.com wrote:
On , wie...@porcupine.org wrote:
...
relay=mx4.icloud.com.akadns.net[17.172.34.67]:25, delay=177,
delays=0.3/0.01/177/0, dsn=4.4.2, status=deferred (lost
connection with mx4.icloud.com.akadns.net[17.172.34.67] while
recei
On 5/3/2014 7:54 AM, post...@nisny.com wrote:
> On , wie...@porcupine.org wrote:
...
>>> relay=mx4.icloud.com.akadns.net[17.172.34.67]:25, delay=177,
>>> delays=0.3/0.01/177/0, dsn=4.4.2, status=deferred (lost
>>> connection with mx4.icloud.com.akadns.net[17.172.34.67] while receiving
>>> the initi
On , wie...@porcupine.org wrote:
post...@nisny.com:
There is NO NAT or firewall.
relay=mx4.icloud.com.akadns.net[17.172.34.67]:25, delay=177,
delays=0.3/0.01/177/0, dsn=4.4.2, status=deferred (lost
connection with mx4.icloud.com.akadns.net[17.172.34.67] while
receiving
the initial server gree
post...@nisny.com:
> There is NO NAT or firewall.
>
> relay=mx4.icloud.com.akadns.net[17.172.34.67]:25, delay=177,
> delays=0.3/0.01/177/0, dsn=4.4.2, status=deferred (lost
> connection with mx4.icloud.com.akadns.net[17.172.34.67] while receiving
> the initial server greeting)
0.3 = No conges
On , wie...@porcupine.org wrote:
post...@nisny.com:
On , wie...@porcupine.org wrote:
> post...@nisny.com:
>> I recently moved out mail operations to a new server. The old server
>> is
>> running Postfix 2.8 and the new server 2.10.
>>
>> We had some initial problems with some private blacklists
post...@nisny.com:
> On , wie...@porcupine.org wrote:
> > post...@nisny.com:
> >> I recently moved out mail operations to a new server. The old server
> >> is
> >> running Postfix 2.8 and the new server 2.10.
> >>
> >> We had some initial problems with some private blacklists and the new
> >> I
On , wie...@porcupine.org wrote:
post...@nisny.com:
I recently moved out mail operations to a new server. The old server
is
running Postfix 2.8 and the new server 2.10.
We had some initial problems with some private blacklists and the new
IP
but those were resolved. However, I had a curious
post...@nisny.com:
> I recently moved out mail operations to a new server. The old server is
> running Postfix 2.8 and the new server 2.10.
>
> We had some initial problems with some private blacklists and the new IP
> but those were resolved. However, I had a curious problem sending mail
> t
I recently moved out mail operations to a new server. The old server is
running Postfix 2.8 and the new server 2.10.
We had some initial problems with some private blacklists and the new IP
but those were resolved. However, I had a curious problem sending mail
to icloud.com addresses. Postf
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