SPF Scans on outgoing mail

[Alex Neuman]

Don't know if you'd want to; otherwise you wouldn't be able to do MCP 
and users could be prone to sending out spam/viruses/etc., not to 
mention timewasters (mp3s, mpgs, etc.)

Josh Dayberry escribió:
> They are the same address.   Any idea how I can stop mailscanner from 
> scanner mails from authenticated users?
>
>     ----- Original Message -----
>     *From:* Pravin Rane <mailto:pravin.rane at gmail.com>
>     *To:* MailScanner discussion
>     <mailto:mailscanner at lists.mailscanner.info>
>     *Sent:* Monday, October 30, 2006 6:46 PM
>     *Subject:* Re: SPF Scans on outgoing mail
>
>     Are your MX and SMTP servers are on different IP address ?
>
>     If yes
>
>     Then add your SMTP server IP address in SPF record. Which will
>     just indicate that  MX's as well as SMTP are allowed to send mail
>     with from address as thematthewsgroup.com
>     <http://thematthewsgroup.com/>
>
>
>
>
>
>     On 10/31/06, *Josh Dayberry* <lists at thematthewsgroup.com
>     <mailto:lists at thematthewsgroup.com>> wrote:
>
>         For someone reason when someone send an e-mail (including
>         myself) with smtp
>         auth, the e-mail is scanned, then sent to the recipient, the
>         SPF tests will
>         fail on my server's copy of mailscanner because the e-mail
>         appears to be
>         from the users computer not the server, but after the e-mail
>         has been
>         delivered to another server, it no longer appears as being
>         sent from only
>         the users computer so the SPF tests pass.
>
>         The SPF tests are my primary concern because they are the
>         greatest source of
>         false positives, but ultimately I would rather just not scan
>         e-mails sent
>         from users who as authenticated.
>
>         Thanks again,
>         Josh Dayberry
>
>         -----Original Message-----
>         From: mailscanner-bounces at lists.mailscanner.info
>         <mailto:mailscanner-bounces at lists.mailscanner.info>
>         [mailto:mailscanner-bounces at lists.mailscanner.info
>         <mailto:mailscanner-bounces at lists.mailscanner.info>] On Behalf
>         Of Alex Neuman
>         Sent: Monday, October 30, 2006 5:21 PM
>         To: MailScanner discussion
>         Subject: Re: SPF Scans on outgoing mail
>
>         Josh Dayberry escribió:
>         >
>         > Here is my problem. I have many mobile users of my server.
>         When they
>         > send e-mail their e-mail fails the SPF tests and their IP is
>         submitted
>         > for RBL tests and things of that sort. However, all users
>         with the
>         > ability to send e-mail on my server should not have their e-mail
>         > scanned at all. Unfortunately I haven't been able to figure
>         out how to
>         > stop MailScanner from scanning e-mail received from users who
>         > authenticate. Any ideas would be appreciated.
>         >
>         > Josh Dayberry
>         >
>         > josh at thematthewsgroup.com <mailto:josh at thematthewsgroup.com>
>         >
>         The mobile users aren't using your server; they're using
>         someone else's
>         server to send out e-mail that should be going out of your server.
>
>         Your SPF record is showing the following:
>
>         "v=spf1 a mx -all"
>
>         Which means only your MX's are allowed to send mail out as
>         thematthewsgroup.com <http://thematthewsgroup.com>; if your
>         users are *actually* connecting to your
>         server, and they're authenticating themselves properly (not using
>         POP-before-SMTP but *actual* SMTP AUTH), then your SPF checks
>         should
>         work, in theory. All of mine do.
>
>         What are you using for SPF? In the meantime you can add "~all"
>         instead
>         of "-all" to mitigate (not eliminate) the problem while you
>         find out
>         what's wrong.
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>
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>
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>
>
>
>     -- 
>     Regards
>
>     Pravin
>
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