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If DNS provider doesn't support long DKIM value, you should generate a new one with key length '1024'.

This commit is contained in:
Zhang Huangbin 2015-10-14 00:07:35 +08:00
parent 001eb89841
commit 438df044ee
4 changed files with 27 additions and 10 deletions
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13
en_US/howto/2-sign.dkim.signature.for.new.domain.md
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@ -62,12 +62,15 @@ tutorial to [add DKIM DNS record](setup.dns.html#dkim-record-for-your-mail-domai
# amavisd-new genrsa /var/lib/dkim/new_domain.com.pem 2048
```
Note: if you're running CentOS, you may need to specify its config file on
command line. For example:
> * if you're running CentOS, you may need to specify its config file on
> command line. For example:
>
> `# amavisd -c /etc/amavisd/amavisd.conf genrsa /var/lib/dkim/new_domain.com.pem 2048`
```
# amavisd -c /etc/amavisd/amavisd.conf genrsa /var/lib/dkim/new_domain.com.pem 2048
```
> * Some DNS provider doesn't support long value for TXT type DNS record, you
> need to create a shorter key with key length `1024`. For example:
>
> `# amavisd-new genrsa /var/lib/dkim/new_domain.com.pem 1024`
* Find below setting in Amavisd config file `amavisd.conf`:

4
en_US/installation/0-setup.dns.md
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@ -241,6 +241,10 @@ If it shows `pass`, it works.
__Note__: If you use DNS service provided by ISP, new DNS record might take
some hours to be available.
If you want to re-generate DKIM key, or need to generate one for new mail
domain, please check our another tutorial:
[Sign DKIM signature on outgoing emails for new mail domain](./sign.dkim.signature.for.new.domain.html).
## References
* [http://en.wikipedia.org/wiki/MX_record](http://en.wikipedia.org/wiki/MX_record)

3
html/setup.dns.html
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@ -243,6 +243,9 @@ TESTING: dkim._domainkey.mydomain.com => pass
<p>If it shows <code>pass</code>, it works.</p>
<p><strong>Note</strong>: If you use DNS service provided by ISP, new DNS record might take
some hours to be available.</p>
<p>If you want to re-generate DKIM key, or need to generate one for new mail
domain, please check our another tutorial:
<a href="./sign.dkim.signature.for.new.domain.html">Sign DKIM signature on outgoing emails for new mail domain</a>.</p>
<h2 id="references">References</h2>
<ul>
<li><a href="http://en.wikipedia.org/wiki/MX_record">http://en.wikipedia.org/wiki/MX_record</a></li>

17
html/sign.dkim.signature.for.new.domain.html
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@ -74,11 +74,18 @@ tutorial to <a href="setup.dns.html#dkim-record-for-your-mail-domain-name">add D
<pre><code class="shell"># amavisd-new genrsa /var/lib/dkim/new_domain.com.pem 2048
</code></pre>
<p>Note: if you're running CentOS, you may need to specify its config file on
command line. For example:</p>
<pre><code># amavisd -c /etc/amavisd/amavisd.conf genrsa /var/lib/dkim/new_domain.com.pem 2048
</code></pre>
<blockquote>
<ul>
<li>if you're running CentOS, you may need to specify its config file on
command line. For example:</li>
</ul>
<p><code># amavisd -c /etc/amavisd/amavisd.conf genrsa /var/lib/dkim/new_domain.com.pem 2048</code></p>
<ul>
<li>Some DNS provider doesn't support long value for TXT type DNS record, you
need to create a shorter key with key length <code>1024</code>. For example:</li>
</ul>
<p><code># amavisd-new genrsa /var/lib/dkim/new_domain.com.pem 1024</code></p>
</blockquote>
<ul>
<li>Find below setting in Amavisd config file <code>amavisd.conf</code>:</li>
</ul>