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Thread: Re: Incoming smtp port 25 mail is not being delivered




Re: Incoming smtp port 25 mail is not being delivered
user name
2007-09-18 17:08:31
Leland F. Jackson wrote:
> OK, I disabled iptables.  I also installed and
configured telnet and 
> did a reboot to start it as a daemon.  Here is the
result from telnet 
> on port 25:
>
> #--------------------
> [lelandleland ~]$ telnet 192.168.1.78 25
> Trying 192.168.1.78...
> Connected to leland.smvfp.com (192.168.1.78).
> Escape character is '^]'.
> 220 leland.smvfp.com ESMTP Postfix
> #----------------------
>
> I also created a rule in my firestarter firewall to
open smtp, port 25 
> to everyone
Whoops, I should have said port 23 in the line above.

Regards,

LelandJ
>
> Regards,
>
> LelandJ
>
> Michael Luich wrote:
>> is you local firewall blocking port 25? FC has it
blocked by default.
>>
>>
>> iptables -L should list the current settings.
>> try "telnet localhost 25" you should get
a response. This is the 
>> internal address and is not blocked by the
firewall. (once connected 
>> use quit to exit)
>>
>> As a test you can disable the firewall with
"service iptables stop" 
>> then try "telnet 192.168.1.78 25"
>>
>> Michael Luich
>>
>> Leland F. Jackson wrote:
>>> Paul J Stevens wrote:
>>>> Leland F. Jackson wrote:
>>>>  
>>>>> Hi Paul,
>>>>>
>>>>> I got up this morning and for some
reason dbmail had stopped 
>>>>> working.  I
>>>>> was receiving messages from thunderbird
that it could not connect 
>>>>> to the
>>>>> server.  I messed around in the
configure files and never could get
>>>>> things going.  I had learned that FC6,
which I am running on my 
>>>>> desktop,
>>>>> has a rpm package for dbmail.  I
originally had installed dbmail 
>>>>> with a
>>>>> ../configure --with-pgsql; gmake; and
gmake install.
>>>>>     
>>>>
>>>> Just for the record: what version is in
FC6?
>>>>   
>>>
>>> [rootleland log]# dbmail-imapd -V
>>> This is DBMail version 2.2.5
>>>
>>>>  
>>>>> I now have everything working locally,
again, but still no luck with
>>>>> email coming in from the WAN/Internet
over port 25.  I have a 
>>>>> router on
>>>>> my network that forwards ports 143 and
port beginning with 24 and 
>>>>> ending
>>>>> with 25 to my desktop computer where
dbmail is listing.
>>>>>     
>>>>
>>>> So check the postfix logs
(/var/log/mail.log or something like that).
>>>> Perhaps your network setup is broken.
>>>>
>>>> You don't want to forward tcp/24 from the
internet to your lmtp 
>>>> server.
>>>>   
>>> OK, I changed the router to only forward port
25.
>>>> Test to make sure something is talking on
tcp/25 by connecting to your
>>>> *external* ip address using a tool like
telnet or netcat.
>>>>   
>>>
>>> The fuser command below indicates that a
process owned by rount is 
>>> running on port 25
>>> #------------------------------
>>> [rootleland log]# fuser -vn tcp 25
>>>
>>>                     USER        PID ACCESS
COMMAND
>>> 25/tcp:              root       6962 F....
master
>>> #-----------------------------------------
>>>
>>> I was able to ssh into my desktop computer
under port 22 as follows:
>>>
>>> #------------------------------------------
>>> [lelandleland ~]$ ssh -p 22 192.168.1.78
>>> leland192.168.1.78's password:
>>> Last login: Sat Sep 15 21:01:27 2007
>>> [lelandleland ~]$
>>> #---------------------------------------------
>>>
>>> This is my desktop's response when trying to
ssh using port 25
>>>
>>> #-------------------------------------
>>> [lelandleland ~]$ ssh -p 25 192.168.1.78
>>> ssh: connect to host 192.168.1.78 port 25:
Connection refused
>>>
#------------------------------------------------
>>>
>>>
>>>
>>> Regards,
>>>
>>> LelandJ
>>>
>>>
>>>> You should see a postfix reply.
>>>>
>>>> paulkamai:~$ nc mx.nfg.nl smtp
>>>> 220 sr2.nfgs.net ESMTP Postfix
>>>>
>>>>
>>>>   
>>>
>>>
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>>>
>>>
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to whom they are 
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>>>
>>> If you have received this email in error please
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>>>
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>>>
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>>>
>>
>>
>>
>> This email and any files transmitted with it are
confidential and 
>> intended solely for the individual(s) or entity to
whom they are 
>> addressed.
>>
>> If you have received this email in error please
notify the originator 
>> of the message.
>>
>> Any views expressed in this message are those of
the individual sender.
>>
>> This message has been scanned for Content, viruses
and spam by 
>> GlobalCerts  RiskFilter - E-mail.
>> www.GlobalCerts.net
>>
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>
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