Hello Martin,
Thank you for your reply! I will investigate domainkeys now but the
SPF has been implemented for some time now...
On 16/11/2010 5:11 PM, Martin Waschbüsch wrote:
SPF and domainkeys can be used to do this. The policy for SPF could be set to
designating only your ip as valid and the skim/domainkeys policy be set to 'all
messages are signed'.
That should guarantee that your server will correctly identify these mails as
forgery. However, check your rules in tcp.smtp - if one of your clients spams
due to virus etc., that might bypass all protections depending on the
settings...
Von meinem iPhone gesendet
Am 16.11.2010 um 04:43 schrieb Tony White<t...@ycs.com.au>:
Hello,
Is there a way of verifying the From address that claims to be from one of
the domains
hosted here is a valid email address? There has been an increase of spam using
one or
more the domains hosted on my servers.
I am still searching the web but no searches found yet!
--
best wishes
Tony White
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