Hello list!
Is there a way to prevent postfix from offering SASL auth (and that
includes
denying open relaying) to clients based on DNS RBL lookups? I've discovered
the option smtpd_sasl_exceptions_networks which allows to do that by adding
static subnet entries or adding a hash map.
The
Kai Krakow:
Hello list!
Is there a way to prevent postfix from offering SASL auth (and
that includes denying open relaying) to clients based on DNS RBL
lookups? I've discovered the option smtpd_sasl_exceptions_networks
which allows to do that by adding static subnet entries or adding
a
Wietse Venema wie...@porcupine.org schrieb:
Kai Krakow:
Hello list!
Is there a way to prevent postfix from offering SASL auth (and
that includes denying open relaying) to clients based on DNS RBL
lookups? I've discovered the option smtpd_sasl_exceptions_networks
which allows to do that by
Kai Krakow:
How is one supposed to automatically block such hijacked accounts within
postfix? A simple heuristic could be detecting unusual high mail volume for
that account, probably by detecting the always repeating or similar
subjects.
Typically, this is done with postfwd (a third-party
On 6/7/2014 8:33 AM, Kai Krakow wrote:
Wietse Venema wie...@porcupine.org schrieb:
Kai Krakow:
Hello list!
Is there a way to prevent postfix from offering SASL auth (and
that includes denying open relaying) to clients based on DNS RBL
lookups? I've discovered the option
Am 07.06.2014 17:25, schrieb Noel Jones:
I wonder why you're just trying to stop SASL from those client...
Why not just use reject_rbl_client (and maybe other restrictions)
before permit_sasl_authenticated to reject all mail from them? If
you're unwilling to accept SASL credentials, why
On 07 Jun 2014, at 09:53 , li...@rhsoft.net wrote:
i condsidered that but it would take weeks and months to
explain all customers that they have to fix their client configs
and i see even new configured clients using 25 because the idiotic
MUA's still default to 25 and burrie the port
Am 07.06.2014 18:29, schrieb LuKreme:
On 07 Jun 2014, at 09:53 , li...@rhsoft.net wrote:
i condsidered that but it would take weeks and months to
explain all customers that they have to fix their client configs
and i see even new configured clients using 25 because the idiotic
MUA's
Am 07.06.2014 09:59, schrieb Kai Krakow:
Hello list!
Is there a way to prevent postfix from offering SASL auth (and that
includes
denying open relaying) to clients based on DNS RBL lookups? I've discovered
the option smtpd_sasl_exceptions_networks which allows to do that by adding
On 6/7/2014 10:53 AM, li...@rhsoft.net wrote:
Am 07.06.2014 17:25, schrieb Noel Jones:
I wonder why you're just trying to stop SASL from those client...
Why not just use reject_rbl_client (and maybe other restrictions)
before permit_sasl_authenticated to reject all mail from them? If
On 07 Jun 2014, at 10:39 , li...@rhsoft.net wrote:
Am 07.06.2014 18:29, schrieb LuKreme:
On 07 Jun 2014, at 09:53 , li...@rhsoft.net wrote:
i condsidered that but it would take weeks and months to
explain all customers that they have to fix their client configs
and i see even new
Am 07.06.2014 22:53, schrieb LuKreme:
On 07 Jun 2014, at 10:39 , li...@rhsoft.net wrote:
Am 07.06.2014 18:29, schrieb LuKreme:
On 07 Jun 2014, at 09:53 , li...@rhsoft.net wrote:
i condsidered that but it would take weeks and months to
explain all customers that they have to fix their
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