{"id":134,"date":"2010-12-12T19:41:42","date_gmt":"2010-12-12T19:41:42","guid":{"rendered":"http:\/\/www.linuxmaster.tk\/?p=134"},"modified":"2011-01-12T06:50:07","modified_gmt":"2011-01-12T06:50:07","slug":"setting-up-of-dkim-key-in-a-cpanel-server","status":"publish","type":"post","link":"https:\/\/linuxmaster.in\/?p=134","title":{"rendered":"Setting Up Of DKIM key in A Cpanel Server"},"content":{"rendered":"


\n<\/strong><\/p>\n

\n
Check if exim is compiled with DKIM support enabled.<\/strong><\/span><\/div>\n

\n<\/strong><\/div>\n
root@server <\/strong><\/code># \/usr\/sbin\/exim -dd 2>&1 | grep Experimental_DKIM<\/strong><\/code><\/span><\/div>\n
<\/p>\n\n\n\n
Support <\/strong><\/code>for<\/strong><\/code>: crypteq iconv() IPv6 PAM Perl OpenSSL Content_Scanning Old_Demime Experimental_SPF Experimental_SRS<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span><\/div>\n


\n<\/strong><\/div>\n

\n<\/strong><\/div>\n
Generate the SSL keys.<\/strong><\/span><\/div>\n

\n<\/strong><\/div>\n
<\/p>\n
\n
\n
\n\n\n\n
1<\/strong><\/code><\/td>\ncd<\/strong><\/code> <\/strong>\/usr\/<\/strong><\/code>local<\/strong><\/code>\/cpanel\/etc\/exim<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

<\/span><\/div>\n

openssl genrsa -out dkim.key 1024<\/strong><\/div>\n
\n
\n
\n\n\n\n
openssl rsa -<\/strong><\/code>in<\/strong><\/code> <\/strong>dkim.key -out dkim.public -pubout -outform PEM<\/strong><\/code><\/p>\n

<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

You will find two keys,\u00a0dkim.key &\u00a0dkim.public<\/strong><\/p>\n

Open\u00a0dkim.public and copy the contents excluding the \u2013Begin\u2013 and \u2013End\u2013\u00a0section. This is your DKIM key. \u00a0Now open exim configuration file and append the below entries under the section \u2018remote_smtp\u2019<\/strong><\/p>\n


\n<\/strong><\/p>\n

\n
Sample exim.conf file<\/strong><\/div>\n<\/div>\n
\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n		remote_smtp:<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n		driver = smtp<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n
\n<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n		dkim_domain=your_domain_name.com<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n		dkim_selector=mail<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n		dkim_private_key=\/usr\/<\/strong><\/code>local<\/strong><\/code>\/cpanel\/etc\/exim\/dkim.key<\/strong><\/code>#path to the\u00a0dkim.key key.<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n

\n<\/strong><\/span><\/td>\n		interface = ${<\/strong><\/code>if<\/strong><\/code> <\/strong>exists {\/etc\/mailips}{${lookup{$sender_address_domain}lsearch*<\/strong><\/code><\/p>\n

{\/etc\/mailips}{$value}{}}}{}}<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\n\n\n\n

\n<\/strong><\/span><\/td>\n		helo_data = ${<\/strong><\/code>if<\/strong><\/code> <\/strong>exists {\/etc\/mailhelo}{${lookup{$sender_address_domain}lsearch*<\/strong><\/code><\/p>\n

{\/etc\/mailhelo}{$value}{$primary_hostname}}}<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\n\n\n\n

\n<\/strong><\/span><\/td>\n		{$primary_hostname}}<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n


\n<\/strong><\/p>\n


\n<\/strong><\/p>\n

\n
In WHM, open DNS editor for the particular domain and add the TXT entry with DKIM key like below.<\/strong><\/span><\/div>\n

\n<\/strong><\/div>\n
<\/p>\n\n\n\n
mail._domainkey.rosesource.com. IN TXT\u00a0\"<\/strong><\/code>v<\/strong><\/code>=DKIM1; g=*; k=r<\/strong><\/code><\/p>\n

sa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDv4PSEM9P<\/strong><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span><\/div>\n

Here p=the_key_you_have_copied_from_dkim.public<\/strong><\/span><\/div>\n

\n<\/strong><\/div>\n
Then restart exim and named.<\/strong><\/span><\/div>\n

\n<\/strong><\/div>\n
You can check it using the site \u00a0http:\/\/www.brandonchecketts.com\/emailtest.php.<\/strong><\/span><\/div>\n
<\/div>\n
Also there is an option in cpanel > Email Authentication > DKIM Keys
\n<\/strong><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Check if exim is compiled with DKIM support enabled. root@server # \/usr\/sbin\/exim -dd 2>&1 | grep Experimental_DKIM Support for: crypteq iconv() IPv6 PAM Perl OpenSSL Content_Scanning Old_Demime Experimental_SPF Experimental_SRS Generate the SSL keys. 1 cd \/usr\/local\/cpanel\/etc\/exim openssl genrsa -out dkim.key 1024 openssl rsa -in dkim.key -out dkim.public -pubout -outform PEM You will find two keys,\u00a0dkim.key … Continue reading “Setting Up Of DKIM key in A Cpanel Server”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-134","post","type-post","status-publish","format-standard","hentry","category-linux-server-administration"],"_links":{"self":[{"href":"https:\/\/linuxmaster.in\/index.php?rest_route=\/wp\/v2\/posts\/134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linuxmaster.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linuxmaster.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linuxmaster.in\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/linuxmaster.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=134"}],"version-history":[{"count":6,"href":"https:\/\/linuxmaster.in\/index.php?rest_route=\/wp\/v2\/posts\/134\/revisions"}],"predecessor-version":[{"id":137,"href":"https:\/\/linuxmaster.in\/index.php?rest_route=\/wp\/v2\/posts\/134\/revisions\/137"}],"wp:attachment":[{"href":"https:\/\/linuxmaster.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linuxmaster.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linuxmaster.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}