> Dusty wrote:
>> So let me get this straight, I need to turn sender verification off for
>> such as securityfocus.com to be able to recvieve their mail ?
> Point your browser to
> http://www.postfix.org/ADDRESS_VERIFICATION_README.html > and search for "securityfocus".
> SAV is controversial (to say the least). many sites will blacklist you
> if you probe them (SAV looks like a dictionary attack).
> PS. You may also need to change your domain name as it can trigger
> filters ;-p
>> In order to do that I need to add:
>> smtpd_sender_restrictions =
>> check_sender_access hash:/etc/postfix/sender_access
>> warn_if_reject reject_unverified_sender
>> # Postfix 2.6 and later.
>> # unverified_sender_reject_reason = Address verification failed
>> # Note 1: Be sure to read the "Caching" section below!
>> # Note 2: Avoid hash files here. Use btree instead.
>> address_verify_map = btree:/var/lib/postfix/verify
>> Then create the following:
>> securityfocus.com OK
>> And restart postfix ?
> just reload.
>> Which I am guessing turns of sender verification off for
> securityfocus.com and
>> I can then recvieve list mail ?
Re: Fwd: Re: Strange issues with my mailserver setup...
> -------- Original Message --------
> Subject: Re: Strange issues with my mailserver setup...
> Date: Fri, 27 Jun 2008 10:46:27 +0000
> From: Dusty <[hidden email]>
> To: mouss <[hidden email]>
> Ok, I understand about the domain name triggering filters. However I know that
> there are other domains on the securityfocus list with similar names so I don't
> think that is the cause.
> In regards to the SAV, I have gone to that link and implemented the
> smtp_sender_restrictions a long with creating a whitelist file with the
> securityfocus.com domain in it:
> root@stoned-hacker:/etc/postfix# cat sender_access
> @securityfocus.com OK
> @cloud9.net OK
> @postfix.org OK
wrong syntax. you apparently had the syntax right in another post.
disable SAV at once (comment out the warn_if_reject
reject_unverified_sender) and try again (try a new list. not one you
> Also in my main.cf I have:
> smtpd_sender_restrictions = permit_mynetworks, check_sender_access
> hash:/etc/postfix/sender_access, reject_unknown_sender_domain,warn_if_reject
> i have postmap'd the sender_access file.
> So I have it setup correctly, I don't understand what i'm doing wrong ?