MESSAGE
| DATE | 2016-02-29 |
| FROM | Ruben Safir
|
| SUBJECT | Subject: [Hangout-NYLXS] Fwd: Re: [Mailman-Users] speed up mailman
|
From hangout-bounces-at-nylxs.com Mon Feb 29 03:15:26 2016
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To: Hangout
From: Ruben Safir
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Subject: [Hangout-NYLXS] Fwd: Re: [Mailman-Users] speed up mailman
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any insights or opinions?
-------- Forwarded Message --------
Subject: Re: [Mailman-Users] speed up mailman
Date: Sun, 28 Feb 2016 23:19:18 -0800
From: Mark Sapiro
To: mailman-users-at-python.org
On 02/28/2016 10:51 PM, Ruben Safir wrote:
> On 02/29/2016 01:34 AM, Mark Sapiro wrote:
>> I think we can fix your issue fairly simply.
>>
>> Please, as I asked in my reply at
>> ,
>> post the output from 'postconf -n' and the contents of mm_cfg.py.
>
>
> Sorry, I got mixed up. Its just probably the frustration. Everyone
> uses mailman, I don't know why I'm so stupid
>
>
> smtpd_recipient_restrictions = check_client_access
> hash:/etc/postfix/helo_client_exceptions check_sender_access
> hash:/etc/postfix/sender_checks, reject_invalid_hostname,
> reject_non_fqdn_hostname, reject_non_fqdn_sender,
> reject_non_fqdn_recipient, reject_unknown_sender_domain,
> reject_unknown_recipient_domain, permit_mynetworks,
> reject_unauth_destination, permit_mynetworks, reject_unauth_destination,
> reject_invalid_hostname, reject_non_fqdn_hostname,
> reject_non_fqdn_sender, reject_non_fqdn_recipient,
> reject_unknown_sender_domain, reject_unknown_recipient_domain,
> reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net
> reject_rbl_client cbl.abuseat.org, permit
This is almost certainly your problem. All those checks take time,
especially if DNS is slow. If you send a message from a client and
Postfix takes 5 seconds to accept it, it's no big deal. If Mailman sends
to 10 or 20 recipients, and it takes Postfix a minute to respond, it
still may be no big deal unless another two posts arrive in that minute
, and so on until you have a big backlog.
I suggest that if you really want all those checks, that you set up a
separate port for Mailman to send to without all those rbl lookups and
recipient domain lookups. See below.
> vim /usr/lib/mailman/Mailman/mm_cfg.py
>
> ###############################################
> # Here's where we get the distributed defaults.
>
> from Defaults import *
>
> ##################################################
> # Put YOUR site-specific settings below this line.
> DEFAULT_URL_PATTERN = 'http://%s/mailman/'
> DEFAULT_NNTP_HOST = 'www.mrbrklyn.com'
> DEFAULT_EMAIL_HOST = 'nylxs.com'
> DEFAULT_URL_HOST = 'www.nylxs.com'
> MTA = 'Postfix'
> POSTFIX_ALIAS_CMD = '/usr/sbin/postalias'
> POSTFIX_MAP_CMD = '/usr/sbin/postmap'
> DELIVERY_MODULE = 'SMTPDirect'
> SMTPHOST = 'mrbrklyn.com'
> SMTPPORT = '25'
Here's where I'm suggesting changes. Pick a port, say 8000, although it
could be anything that doesn't conflict.
Then change the above to
SMTPHOST = '127.0.0.1'
SMTPPORT = 8000
(don't quote the port - it's a number, not a string)
Also, while you're at it I suggest adding
VERP_PASSWORD_REMINDERS = Yes
VERP_PERSONALIZED_DELIVERIES = Yes
VERP_DELIVERY_INTERVAL = 1
for more reliable bounce processing.
But, see below for changes to Postfix master.cf that you must make first.
> add_virtualhost(DEFAULT_URL_HOST, DEFAULT_EMAIL_HOST)
> add_virtualhost('lists.mrbrklyn.com', 'mrbrklyn.com')
> IMAGE_LOGOS = '/mailmanicons/'
>
>
>
> There is another one in apache:
> I don't know if it is being used.
> vim /usr/local/apache/conf/mailman/Mailman/mm_cfg.py
No, that shouldn't be used.
In Postfix master.cf add the following stanza
127.0.0.1:8000 inet n - - - - smtpd
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
-o mynetworks=127.0.0.0/8
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o smtpd_client_restrictions=
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_data_restrictions=
Make this addition to Postfix master.cf and reload Postfix. Only after
you've done that and Postfix is listening on the loopback interface port
8000, make the changes to mm_cfg.py and restart Mailman.
--
Mark Sapiro The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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