Hello all,

I am using exim-4.80.1-49 & using DKIM signing, My prob is when i send mail 
using subdomain DKIM verification got failed.

For example..

If i send mail  from  mail.abcd.com / abc.mail.abcd.com   its send mail with 
domain same as mail.abcd.com / abc.mail.abcd.com and DKIM verification got fail.

I want to sign as a main domain regardless of as many sub domains.

If i use DKIMProxy it will sign main domain, even i send mail from subdomains. 
but DKIMProxy eating to much CPU.....

Its better if i do it at exim level, My exim configuration as follows.

DKIM_DOMAIN = ${lc:${domain:$h_from:}}

remote_smtp:
  driver = smtp
  interface = ${if exists 
{/etc/exim/mailips}{${lookup{DKIM_DOMAIN}lsearch{/etc/exim/mailips}{$value}{}}}{}}
  dkim_domain = DKIM_DOMAIN
  dkim_selector = dkim
  dkim_private_key = /etc/exim/domain_key.private
  dkim_canon = relaxed

 
Any help greatly appreciated.





Thanks & Regards,

Dilip Jadav


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