[CentOS] sendmail security-with example
Feizhou
feizhou at graffiti.net
Fri Sep 22 02:50:36 UTC 2006
Email Lists wrote:
> Although this is not specifically on topic, it will help in the big picture
> of your overall mail system(s) design and implementation...
>
> Please do not forget to carefully craft proper SPF records for your domain
> or domains... then you would need to deal with SPF issues in the servers as
> to what you will and will not accept from others.
>
> http://www.openspf.org
>
I won't get into the SPF debate but significant numbers of well
experienced mail administrators do not believe in its usefulness at all
and that includes admins all across various mtas.
eg: SPF breaks forwarding.
The real problem is SMTP is outdated. SMTP is broken for today's Internet.
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