On 5/31/2013 2:39 PM, Noel Jones wrote:
> On 5/31/2013 12:22 PM, Ben Johnson wrote:
>> I seem to be able to setup a desktop email client and send email to my
>> server, from any external network, and the email will be accepted for
>> delivery as long as a) the sender uses any "from address" ("local part")
>> @my.real-domain.com, and b) the recipient has a mailbox @my.real-domain.com.
>
> By default, postfix accepts mail from any client if the recipient
> has a local mailbox. Otherwise you would get no mail.
>
Okay. I understand. The implication here is that it doesn't matter
whether the user-agent connects directly to my server via SMTP to
delivery mail to my users, or he connects through his ISP's SMTP server
to do the same. Correct?
>>
>> Postfix "postfinger" output for this server (prior to closing this "hole"):
>>
>> http://pastebin.com/QGE3cah5
>
> ... mail_version = 2.7.0
>
> This postfix version does not support smtpd_relay_restrictions, and
> will not complain about unknown parameters defined in main.cf.
>
It would be nice if the Postfix manual reflected this fact. The manual
states, "This feature is available in Postix 2.10 and later."
>>
>> Thanks for any insight here.
>
>
> Your observations are flawed. There is no hole.
>
>
>
> -- Noel Jones
>
Ah, phew. I was all paranoid for no good reason. Thanks for setting my
mind at ease.
--Ben
