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On Tue, 24 Feb 2015, Luciano Mannucci wrote:
On Tue, 24 Feb 2015 18:56:03 +0100
Reindl Harald wrote:
* if you cahnge the pwd SASL auth is taken away
True.
But this way the user will be unable to read his/her mail, including
my message saying "Hey
Am 24.02.2015 um 19:48 schrieb Adrian Minta:
On 24.02.2015 20:40, Reindl Harald wrote:
Am 24.02.2015 um 19:37 schrieb Adrian Minta:
On 24.02.2015 20:29, Reindl Harald wrote:
don't allow senders which you would not receive mail for - period
Seems interesting, at least until the bots adap
On 24.02.2015 20:40, Reindl Harald wrote:
Am 24.02.2015 um 19:37 schrieb Adrian Minta:
On 24.02.2015 20:29, Reindl Harald wrote:
don't allow senders which you would not receive mail for - period
Seems interesting, at least until the bots adapt to this.
Any idea how could this be implemente
Am 24.02.2015 um 19:37 schrieb Adrian Minta:
On 24.02.2015 20:29, Reindl Harald wrote:
don't allow senders which you would not receive mail for - period
Seems interesting, at least until the bots adapt to this.
Any idea how could this be implemented?
with the configuration i have posted i
On 24.02.2015 20:29, Reindl Harald wrote:
don't allow senders which you would not receive mail for - period
Seems interesting, at least until the bots adapt to this.
Any idea how could this be implemented ?
--
Best regards,
Adrian Minta
Am 24.02.2015 um 19:20 schrieb Luciano Mannucci:
On Tue, 24 Feb 2015 19:00:32 +0100
Reindl Harald wrote:
so you allow random envelope senders on your servers?
why?
I know it is not necessarily a good idea... :)
It is basicaly to allow fake home addresses from the office for some
managers.
On Tue, 24 Feb 2015 19:00:32 +0100
Reindl Harald wrote:
> so you allow random envelope senders on your servers?
> why?
I know it is not necessarily a good idea... :)
It is basicaly to allow fake home addresses from the office for some
managers.
Thanks for the smtpd_recipient_restrictions list, i
On Tue, 24 Feb 2015 19:00:09 +0100
Benny Pedersen wrote:
> no, when this happend disable smtp auth, but not login, then send a mail
> why smtp auth is disabled
This way, I'll block everybody, not only the troyan victims.
luciano.
--
/"\ /Via A. Salaino, 7 - 20144 Milan
Am 24.02.2015 um 19:04 schrieb Luciano Mannucci:
On Tue, 24 Feb 2015 18:56:03 +0100
Reindl Harald wrote:
* if you cahnge the pwd SASL auth is taken away
True.
But this way the user will be unable to read his/her mail, including
my message saying "Hey, you've got a new virus!"
if the accoun
On Tue, 24 Feb 2015 18:56:03 +0100
Reindl Harald wrote:
> * if you cahnge the pwd SASL auth is taken away
True.
But this way the user will be unable to read his/her mail, including
my message saying "Hey, you've got a new virus!".
Thanks anyway,
luciano.
--
/"\ /Via A.
Hello,
take a look at postfwd, especially "rate limit examples":
http://postfwd.org/
--
Best regards,
Adrian Minta
Am 24.02.2015 um 18:28 schrieb Luciano Mannucci:
for the virus doesn't necessarily use the e-mail of the
user as its from, just the user and password for the
authentication phase
so you allow random envelope senders on your servers?
why?
smtpd_recipient_restrictions = permit_mynetworks
rejec
On February 24, 2015 6:30:53 PM Luciano Mannucci
wrote:
Is it feasible?
no, when this happend disable smtp auth, but not login, then send a mail
why smtp auth is disabled
The things that occur to me are
1) Ensure that the sender domain is authorized by doing a rule in
main.cf for send_restrictions. Then at least they won't be sending
things with faked from=.
2) Do some work with rate limiting.
http://steam.io/2013/04/01/postfix-rate-limiting/
3) Look at some
Am 24.02.2015 um 18:28 schrieb Luciano Mannucci:
I have a few users that are often hit by a trojan virus that steals
e-mail user and password. Having a very little (if not null) power on
their machines, I need to be able to block the outgoing mail wich is
handled by postfix via dovecot SASL.
Blo
Hello,
I have a few users that are often hit by a trojan virus that steals
e-mail user and password. Having a very little (if not null) power on
their machines, I need to be able to block the outgoing mail wich is
handled by postfix via dovecot SASL.
Blocking it at dovecot level would be optimal,
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