Eric can chime in also, but I used this site to generate my key pairs. And
YES you should go to 1024 or Google will not accept it.

https://www.port25.com/dkim-wizard/

From:  Rajesh M <24x7ser...@24x7server.net>
Reply-To:  <qmailtoaster-list@qmailtoaster.com>
Date:  Wednesday, January 10, 2018 at 8:51 AM
To:  <qmailtoaster-list@qmailtoaster.com>
Subject:  Re: [qmailtoaster] dmarc implementation

eric

concerning dkim signing

i was testing the records for a sample domain i got messages that the "key
is insecure since it is less than 384 characters"

is it advisable to increase this to 1024 bits ?

if yes then how do i do that ?

thanks,
rajesh


----- Original Message -----
From: Eric Broch [mailto:ebr...@whitehorsetc.com]
To: qmailtoaster-list@qmailtoaster.com
Sent: Tue, 9 Jan 2018 17:05:02 -0700
Subject:

I'm sure it will, but I don't know how much.


On 1/9/2018 9:55 AM, Rajesh M wrote:
>  eric
> 
>  it worked correctly but the dns record generated in the MYDOMAIN.com.txt file
> was not correct ... not sure what i was doing wrong.
> 
>  i used this
> 
>  perl -pi -e 's/.key._domainkey//' /var/qmail/control/dkim/otherdomain.com.txt
> 
>  googled a bit and entered in the following in my zone file
> 
>  selector = otherdomain.com
> 
>  _domainkey.otherdomain.com. IN TXT "o=!;r=x...@yyyyy.com"
> 
>  otherdomain.com._domainkey.otherdomain.com. IN TXT "v=DKIM1;k=rsa;p=<mykey>"
> 
> 
>  Also  will changing the qmail-remote file increase the load on the server,
> especially since qmail-remote is no longer a binary ?  My servers are quite
> busy.
> 
> 
> 
> 
>  rajesh
> 
>  ----- Original Message -----
>  From: Eric Broch [mailto:ebr...@whitehorsetc.com]
>  To: qmailtoaster-list@qmailtoaster.com
>  Sent: Tue, 2 Jan 2018 15:09:34 -0700
>  Subject:
> 
>  Rajesh,
> 
>  1) Yes
> 
>  2) tcp.smtp
> 
>  127.:allow,RELAYCLIENT="",RBLSMTPD="",NOP0FCHECK="1"
>  
> :allow,SPFBEHAVIOR="1",BADMIMETYPE="",BADLOADERTYPE="M",CHKUSER_RCPTLIMIT="200
> ",CHKUSER_WRONGRCPTLIMIT="10",QMAILQUEUE="/var/qmail/bin/qmail-queue.orig",NOP
> 0FCHECK="1",SENDER_NOCHECK="1"
> 
>  Eric
> 
> 
>  On 1/2/2018 11:20 AM, Rajesh M wrote:
>>  Eric
>> 
>>  2 questions please
>> 
>>  Question 1)
>> 
>>  the default qmail install points the symlink for qmailqueue to qmail-dk
>> 
>>  which i have changed to
>> 
>>  qmail-queue -> qmail-queue.orig
>> 
>>  Do keep the same setting which is
>> 
>>  qmail-queue -> qmail-queue.orig
>> 
>> 
>>  Question 2)
>> 
>>  Could you please send me the corresponding settings required in the tcp.smtp
>> file ?
>> 
>>  thanks,
>>  rajesh
>> 
>> 
>> 
>>  ----- Original Message -----
>>  From: Eric Broch [mailto:ebr...@whitehorsetc.com]
>>  To: qmailtoaster-list@qmailtoaster.com
>>  Sent: Tue, 2 Jan 2018 08:51:07 -0700
>>  Subject:
>> 
>>  Hi Rajesh,
>> 
>>  Thank you! I appreciate your sentiments and hope your New Year brings
>>  blessings of health and happiness as well.
>> 
>>  This is a better link:
>> 
>>  http://qmailtoaster.org/dkim.html
>> 
>>  which will show you how to implement per domain.
>> 
>>  Remember this is only signing messages going out. As of yet there is no
>>  dkim checking coming in, I'm looking into that.
>> 
>>  Eric
>> 
>> 
>>  On 1/2/2018 7:50 AM, Rajesh M wrote:
>>>  eric,
>>> 
>>>  Wish you a wonderful New Year, full of health and happiness.
>>> 
>>>  I wish to implement  dmarc on my qmailtoaster servers
>>> 
>>>  i am using centos6 64 bit with the latest versions of qmailtoaster
>>> 
>>>  SPF is already being used on my server
>>> 
>>>  Concerning dkim, currently my  qmail-queue is symlinked to qmail-queue.orig
>>> and not pointing to qmail-dk
>>> 
>>>  qmail-queue -> qmail-queue.orig
>>> 
>>>  could you please guide me on the implementation of DMARC
>>> 
>>>  i am planning to implement this for all the domains in my server.
>>> 
>>>  I saw this link while searching for a solution.
>>> 
>>>  https://github.com/qmtoaster/dkim
>>> 
>>>  Should i follow these steps as per the above link or would you like
>>> recommend some other document.
>>> 
>>>  thanks as always,
>>>  rajesh
>>> 
>>> 
>>> 
>>> 
>>> 
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--
Eric Broch
White Horse Technical Consulting (WHTC)


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