On 21.06.22 16:05, Burn Zero wrote:
It is 17 MB only. message_size_limit is not overridden in master.cf as
it is showing the correct value set in main.cf while advertising EHLO.

it can be overridden for e.g. cleanup process.

On Tue, 21 Jun 2022 at 16:01, Matus UHLAR - fantomas <uh...@fantomas.sk> wrote:

On 21.06.22 13:38, Burn Zero wrote:
>Yes, the client is showing that it is 17 MB in size.

are you sure it's not e.g. 170M ?
or that you don't have message_size_limit overridden somewhere in master.cf?


>On Tue, 21 Jun 2022 at 12:49, Jeroen Geilman <jer...@adaptr.nl> wrote:
>> The message originates in cleanup_final.c, which reconciles the open queue
>> file with the final on-disk size of the received message.
>> Check if the client is supplying SIZE incorrectly.

>> Op 21 jun. 2022 08:20 schreef Burn Zero <burnze...@gmail.com>:
>> I have a relay server where different application servers send emails to
>> it. An application server is sending email with the size around 17 MB but
>> the relay server is not accepting it citing the below warning:
>>
>> ++++++
>>
>> Jun 18 09:47:05 smtp1 postfix/smtpd[43832]: 66F259E10043: client=<server
>> name>[xxx.xxx.xxx.xxx]
>> Jun 18 09:47:07 smtp1 postfix/cleanup[46274]: 66F259E10043:
>> message-id=<messageid@domain>
>> Jun 18 09:47:09 smtp1 postfix/smtpd[43832]: warning: 66F259E10043: queue
>> file size limit exceeded
>>
>> ++++++
>>
>> The application server logs contains:
>>
>> 552 5.3.4 Error: message file too big
>>
>>
>> Please check the below postconf of relay server for the sizes:
>>
>> # postconf | grep size
>> berkeley_db_create_buffer_size = 16777216
>> berkeley_db_read_buffer_size = 131072
>> body_checks_size_limit = 51200
>> bounce_size_limit = 50000
>> header_size_limit = 102400
>> lmdb_map_size = 16777216
>> mailbox_size_limit = 51200000
>> message_size_limit = 48916070
>> tcp_windowsize = 0
>>
>> I am sure it is not message_size_limit because when tested it is giving
>> clear error message like "NOQUEUE: reject: MAIL from [xxx.xxx.xxx.xxx]: 552
>> 5.3.4 Message size exceeds fixed limit"
>>
>> I am confused what this error "queue file size limit exceeded"  means?

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