Thx for the respons
I have setup sasl auth by dovecot
-Original Message-
From: owner-postfix-us...@postfix.org On
Behalf Of Viktor Dukhovni
Sent: 03 June 2019 16:58
To: Postfix users
Subject: Re: smtp relay server security
> On Jun 3, 2019, at 9:02 AM, De Petter Matth
> On Jun 3, 2019, at 9:02 AM, De Petter Mattheas
> wrote:
>
> For the moment we have a rule that only allow mail from exchange server
> address to postfix (relay server), but when somebody spoofs this address mail
> gets accept and you can send your mail to anybody as anybody.
>
> When I
On 6/3/19 10:31 AM, Matus UHLAR - fantomas wrote:
>
>>> For the moment we have a rule that only allow mail from exchange server
>>> adres to postfix (relay server),
>>
>> show us.
>>
>> # mynetworks = xxx.xxx.xxx.xxx/32, 127.0.0.1/32
>> smtpd_recipient_restrictions =
>> permit_mynetworks,reject_una
ithout creating mailboxes on the server.
Thanks for your advice.
-Original Message-
From: owner-postfix-us...@postfix.org On
Behalf Of Matus UHLAR - fantomas
Sent: 03 June 2019 16:32
To: postfix-users@postfix.org
Subject: Re: smtp relay server security
On 03.06.19 14:19, De Petter
On 03.06.19 14:19, De Petter Mattheas wrote:
Answers in after the #
indenting the original answer usually giver much more readable result.
outlook does support indenting...
On 03.06.19 13:02, De Petter Mattheas wrote:
How can we secure are postfix smtp relay server?
complicated question...
Hello
Answers in after the #
On 03.06.19 13:02, De Petter Mattheas wrote:
>How can we secure are postfix smtp relay server?
complicated question...
>For the moment we have a rule that only allow mail from exchange server
>adres to postfix (relay server),
show us.
# mynetworks = xxx.xxx.xxx.
On 03.06.19 13:02, De Petter Mattheas wrote:
How can we secure are postfix smtp relay server?
complicated question...
For the moment we have a rule that only allow mail from exchange server
adres to postfix (relay server),
show us.
but when somebody spoofs this address mail gets accept an
Hello
How can we secure are postfix smtp relay server?
For the moment we have a rule that only allow mail from exchange server adres
to postfix (relay server), but when somebody spoofs this address mail gets
accept and you can send your mail to anybody as anybody.
When I check:
[administrator@
