> On Oct 9, 2017, at 12:53 PM, Matus UHLAR - fantomas wrote:
>
>> Indeed, only our servers are able to reach this MX. This is the normal
>> behavior.
>
> then it shouldn't be an MX... maybe you mean in-path mail server?
There's no such rule, and the OP probably does not
Which suggests that your end (on an RFC1918 IP address of 172.17.25.35)
is behind a NAT firewall, which could part of the problem. The
SMTP server however does not seem to be reachable from Internet at
large, so the networking topology here is unclear.
On 09.10.17 12:35, Florian Coulmier
> Which suggests that your end (on an RFC1918 IP address of 172.17.25.35)
> is behind a NAT firewall, which could part of the problem. The
> SMTP server however does not seem to be reachable from Internet at
> large, so the networking topology here is unclear.
Indeed, only our servers are able
Right. This suggests that either the size information in the queue file is
wrong, or that the SIZE announcement was malformed (i.e. buggy SMTP server).
This requires a packet-level dump to see if there are stray carriage-returns
or other unexpected content in thhe EHLO response.
On
Viktor Dukhovni:
> On Fri, Oct 06, 2017 at 04:22:38PM +0200, Florian Coulmier wrote:
>
> > > That looks wrong. Where is the first EHLO response line? The above
> > > starts in the middle of the response.
>
> There's the smoking gun. Wietse correctly observes the crucial
> detail that
On Fri, Oct 06, 2017 at 04:22:38PM +0200, Florian Coulmier wrote:
> > That looks wrong. Where is the first EHLO response line? The above
> > starts in the middle of the response.
There's the smoking gun. Wietse correctly observes the crucial
detail that the first line of the EHLO
> That looks wrong. Where is the first EHLO response line? The above
> starts in the middle of the response.
>
> Can you share a packed dump OFF-LIST so I can see what happens between
> SENDING ehlo and receiving the reply? The entire TCP connection would
> be best.
>> Here is my configuration: https://pastebin.com/EKHvEveC
> postconf -n
> would be more appropriate, I think
Here it is : https://pastebin.com/efFJb2Sq
Florian Coulmier:
> >Postfix stores size information in the queue file. What size does the
> >queue manager log fot this specific message?
>
> Here are the information in queue file, as shown by a ?postcat ?q? on the
> message queue ID :
>
> *** ENVELOPE RECORDS
> Here is my configuration: https://pastebin.com/EKHvEveC
postconf -n
would be more appropriate, I think
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> You really should not make up facts out of thin air, however popular that
> might be these days. Support for sending "SIZE=" in Postfix is at least
> 19 years old, with the MIME downgrade suppressing dating back 11 years.
>
> On Oct 6, 2017, at 5:03 AM, Florian Coulmier
> wrote:
>
>> Postfix sends "SIZE=" in "MAIL FROM" unless it is going to do 8bit to 7bit
>> downgrade:
>> (source code removed)
>
>> So it would appear (if your reported transcript is accurate) that
>>
>Postfix sends "SIZE=" in "MAIL FROM" unless it is going to do 8bit to 7bit
>downgrade:
>(source code removed)
>So it would appear (if your reported transcript is accurate) that
>Postfix did not believe the peer to be 8BITMIME-capable. Since
>the SMTP server's EHLO
>are you sure postfix sees exactly this conversation?
>I don't see the SIZE= parameter in MAIL FROM:
Correct me if I’m wrong, but I think this is because I use version 2.11 of
postfix and this feature has been introduced in version 3.0.
>Postfix stores size information in the queue file. What size does the
>queue manager log fot this specific message?
Here are the information in queue file, as shown by a “postcat –q” on the
message queue ID :
*** ENVELOPE RECORDS deferred/3/2/A/32A559F491 ***
message_size:
> On Oct 5, 2017, at 8:46 AM, florian wrote:
>
> 220 SMTP Welcome
> EHLO
> 250-SIZE 12582912
> 250-DSN
> 250-ENHANCEDSTATUSCODES
> 250-AUTH NTLM
> 250-8BITMIME
> 250 OK
> MAIL FROM:
> 250 2.1.0 Sender OK
> RCPT TO:<@>
florian:
> Hi,
>
> I'm facing a strange issue that I never saw before.
>
> I have to relay an email with a big size (>20MB). My postfix server is
> accepting emails with a size up to 50Mo, so I did received this email.
> However, the server to which I need to send the email only accept message
>
On 05.10.17 05:46, florian wrote:
I have to relay an email with a big size (>20MB). My postfix server is
accepting emails with a size up to 50Mo, so I did received this email.
However, the server to which I need to send the email only accept message
with a size lower than 12MB.
Usually postfix
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