Re: Postfix doesn't respect 250-SIZE value

2017-10-10 Thread Viktor Dukhovni
> 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

Re: Postfix doesn't respect 250-SIZE value

2017-10-09 Thread Matus UHLAR - fantomas
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

Re: Postfix doesn't respect 250-SIZE value

2017-10-09 Thread 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

Re: Postfix doesn't respect 250-SIZE value

2017-10-07 Thread Matus UHLAR - fantomas
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

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Wietse Venema
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

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread 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 the first line of the EHLO

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Florian Coulmier
> 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.

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Florian Coulmier
>> Here is my configuration: https://pastebin.com/EKHvEveC > postconf -n > would be more appropriate, I think Here it is : https://pastebin.com/efFJb2Sq

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Wietse Venema
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

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Ralf Hildebrandt
> Here is my configuration: https://pastebin.com/EKHvEveC postconf -n would be more appropriate, I think -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG, 80333 München Sitz der Gesellschaft: München, Amtsgericht

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Florian Coulmier
> 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. >

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Viktor Dukhovni
> 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 >>

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Florian Coulmier
>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

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread Florian Coulmier
>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.

Re: Postfix doesn't respect 250-SIZE value

2017-10-06 Thread 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 deferred/3/2/A/32A559F491 *** message_size:

Re: Postfix doesn't respect 250-SIZE value

2017-10-05 Thread Viktor Dukhovni
> 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:<@>

Re: Postfix doesn't respect 250-SIZE value

2017-10-05 Thread Wietse Venema
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 >

Re: Postfix doesn't respect 250-SIZE value

2017-10-05 Thread Matus UHLAR - fantomas
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