From: Peter Rabbitson (no email)
Date: Sat May 05 2007 - 21:34:34 EDT
Wietse Venema wrote:
> Peter Rabbitson:
>> Wietse Venema wrote:
>>> Peter Rabbitson:
>>>> Wietse Venema wrote:
>>>>> Peter Rabbitson:
>>>>>> Hi,
>>>>>>
>>>>>> I am experiencing 421 errors between my secondary and primary MXes, and
>>>>>> it seems it is cause by lack of connection caching.
>>>>> What is the error message?
>>>> There is no error message as such, see below.
>>> Any reasonable SMTP server sends 421 followed by some text that
>>> explains why it hangs up.
>> I apologize, I thought that 421 in the MTA world is as self-explanatory
>> as say 403 in the http world.
>
> What is the output of
>
> grep concurrency_limit /etc/postfix/main.cf
> grep recipient_limit /etc/postfix/main.cf
>
> Wietse
Arx:~# grep concurrency_limit /etc/postfix/main.cf
Arx:~#
Arx:~# grep recipient_limit /etc/postfix/main.cf
smtpd_recipient_limit = 200
Arx:~#
Arx:~# grep _limit /etc/postfix/main.cf
bounce_size_limit = 20000
smtp_connection_cache_reuse_limit = 100
smtp_connection_reuse_time_limit = 5m
smtp_mx_address_limit = 0
smtpd_soft_error_limit = 5
smtpd_hard_error_limit = 20
smtpd_junk_command_limit = 20
smtpd_recipient_limit = 200
mailbox_size_limit = 0
message_size_limit = 0
Arx:~#
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