Re: Domain emails from outside

2008-12-09 Thread Gabriel Hahmann
Hi, I'm grateful to all of you that helped me to solve this problem. The check_sender_access on smtpd_sender_restrictions including my domain with REJECT solved my problem completely as all my clients connect using SASL. So I permited_sasl and then I rejected my domain from outside with

Domain emails from outside

2008-12-04 Thread Gabriel Hahmann
Hi all, I'm new to the list and have a problem with my mail system. Recently I'm receiving a lot of spam emails coming from the internet but the sender is a user from my domain. Then I tried the same thing directly from other system, as described below: telnet mailsystemwithproblem 25 helo

Re: Domain emails from outside

2008-12-04 Thread Charles Marcus
On 12/4/2008, Gabriel Hahmann ([EMAIL PROTECTED]) wrote: My configuration is listed below Output of postconf -n is preferred... -- Best regards, Charles

Re: Domain emails from outside

2008-12-04 Thread Sahil Tandon
Gabriel Hahmann [EMAIL PROTECTED] wrote: I'm new to the list and have a problem with my mail system. Recently I'm receiving a lot of spam emails coming from the internet but the sender is a user from my domain. Then I tried the same thing directly from other system, as described below:

Re: Domain emails from outside

2008-12-04 Thread Geert Hendrickx
On Thu, Dec 04, 2008 at 10:15:55AM -0500, Sahil Tandon wrote: Gabriel Hahmann [EMAIL PROTECTED] wrote: I'm new to the list and have a problem with my mail system. Recently I'm receiving a lot of spam emails coming from the internet but the sender is a user from my domain. Then I tried the

Re: Domain emails from outside

2008-12-04 Thread Roman Medina-Heigl Hernandez
Hello, I initiated a similar thread, few days ago, with interesting responses. Have a look at it: http://archives.neohapsis.com/archives/postfix/2008-12/0010.html Summaryzing, there's a chance of legitimate mail being filtered. See the former thread for examples and a nice discussion :-) PS:

RE: Domain emails from outside

2008-12-04 Thread wiskbroom
] Subject: Re: Domain emails from outside On 12/4/2008, Gabriel Hahmann ([EMAIL PROTECTED]) wrote: My configuration is listed below Output of postconf -n is preferred... -- Best regards, Charles

Re: Domain emails from outside

2008-12-04 Thread LuKreme
On 4-Dec-2008, at 08:18, Brian Evans - Postfix List wrote: Add 'check_sender_access pcre:/path/to/config/ restrict_internal_domain' to the end of smtpd_sender_restrictions /path/to/config/restrict_internal_domain: /.*\.example.com/REJECT external email with an internal sender address

Re: Domain emails from outside

2008-12-04 Thread Brian Evans - Postfix List
LuKreme wrote: On 4-Dec-2008, at 08:18, Brian Evans - Postfix List wrote: Add 'check_sender_access pcre:/path/to/config/restrict_internal_domain' to the end of smtpd_sender_restrictions /path/to/config/restrict_internal_domain: /.*\.example.com/REJECT external email with an internal

Re: Domain emails from outside

2008-12-04 Thread mouss
[EMAIL PROTECTED] a écrit : I too am trying to achieve this, here is my blocked_senders map followed by my postconf -n output: Would this achieve the desired results of restricting inbound email with faked From headers? Many thanks in advance, .vp ###

Re: Domain emails from outside

2008-12-04 Thread mouss
Brian Evans - Postfix List a écrit : Gabriel Hahmann wrote: Hi all, I'm new to the list and have a problem with my mail system. Recently I'm receiving a lot of spam emails coming from the internet but the sender is a user from my domain. Then I tried the same thing directly from other