Roger Schmid wrote:
Dear Swinog members
Until now, we provided an authenticated smtp-server for our customers
and a separate open smtp-server for customers with email-adresses
from other providers. We would like to shut down the relaying server
and have the customers use the smtp-servers from
Hi Roger,
Now we found out that bluewin doesn't allow authenticated smtp-relay
from users outside their ip-range, so all our customers with
bluewin-mailadresses would have no smtp-server available.
That's not entirely correct:
smtpauth.bluewin.ch will relay mails from non-bluewin-ip-ranges
On Fri, Jun 13, 2008 at 10:13 AM, Adrian Ulrich [EMAIL PROTECTED] wrote:
Hi Roger,
Now we found out that bluewin doesn't allow authenticated smtp-relay
from users outside their ip-range, so all our customers with
bluewin-mailadresses would have no smtp-server available.
That's not entirely
On Fri, Jun 13, 2008 at 10:52 AM, Jeroen Massar [EMAIL PROTECTED] wrote:
Roger Schmid wrote:
[..]
Otherwise spammers would open 100th's of free accounts and use them to
send spam from
non-bluewin IPs :-/
I see the problem, but perhaps something like a captcha would also be
sufficient to
Jeroen Massar schrieb:
Just display the captcha from the signup on $pornsite, a person will
fill it in for you, captcha bypassed. If it is interesting and cheap
for then to abuse it, they will.
Do you have a current, working example for that?
(Just for research purposes, of course)
;-
On Fri, Jun 13, 2008 at 10:58 AM, Jeroen Massar [EMAIL PROTECTED] wrote:
Roger Schmid wrote:
On Fri, Jun 13, 2008 at 10:52 AM, Jeroen Massar [EMAIL PROTECTED] wrote:
Just display the captcha from the signup on $pornsite, a person will fill it
in for you, captcha bypassed. If it is
Rainer Duffner wrote:
Jeroen Massar schrieb:
Just display the captcha from the signup on $pornsite, a person will
fill it in for you, captcha bypassed. If it is interesting and cheap
for then to abuse it, they will.
Do you have a current, working example for that?
(Just for research
Hi,
Thank you for clearing this up. So we have to give bluewin-users with
free bluewin mail-accounts an smtp-account on our servers I think.
Well, they could call our helpdesk and ask them to disable the
'Restricted IP-Range' feature for a specific mailaccount.
Our helpdesk will disable it
Jeroen Massar writes:
Just display the captcha from the signup on $pornsite, a person will
fill it in for you, captcha bypassed. If it is interesting and cheap
for then to abuse it, they will.
The approach is mentioned in an excellent talk by Louis von Ahn, who
invented the CAPTCHA:
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