how to allow mobile user to send email with getting blocked
markus at markusoft.se
Tue Jun 21 07:06:27 IST 2011
With my example, add this rule (smtpd_sasl_authenticated_header = yes) to the postfix machine where the users login, and on the second machine (where MS/SA is running) make sure that the first machine is "trusted" by adding it to the mynetworks setting!
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Från: "Harondel J. Sibble" <mailscanner at pdscc.com>
Till: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
Skickat: måndag, 20 jun 2011 18:20:53
Ämne: Re: how to allow mobile user to send email with getting blocked
Just so I am clear, you are suggesting I put this in postfix on the
mailscanner machine, rather than in postfix on the protected imap server
behind mailscanner right?
As to changing the headers in the mailclient, it doesn't appear that K-9 on
Android supports that :-(
On 20 Jun 2011 at 8:52, Markus Nilsson wrote:
> In postfix I solve this by setting
> smtpd_sasl_authenticated_header = yes That by-passes network checks in SA if
> the header comes from a trusted source, and the host receiving the connection
> from your remote users is trusted I guess?
> This disables RBL-checks at SA, if you need even more negative scoring, you
> can modify the score for ALL_TRUSTED
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> Från: "Harondel J. Sibble" <mailscanner at pdscc.com>
> Till: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
> Skickat: fredag, 17 jun 2011 18:22:10
> Ämne: Re: how to allow mobile user to send email with getting blocked
> Didn't find that one in my search, thanks.
> Not sure I understand fully, I use postfix and haven't touched sendmail in
> years. Are you suggesting adding an additional header at the mail client level
> that is then processed by the mta/ms?
> I'n not convinced that's something I can fully control on the various mail
> clients on the phones, it's just the same as using ssl client certs. Not all
> devices support it.
Harondel J. Sibble
Sibble Computer Consulting
Creating Solutions for the small and medium business computer user.
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