Re: smtp problems

From: Noi (noi_at_siam.com)
Date: 12/26/03


Date: Fri, 26 Dec 2003 22:55:59 GMT

On Thu, 25 Dec 2003 18:43:52 -0800, Edward Lee epl thoughtfully wrote:

> nsajus@yahoo.com (Ann) wrote in message
> news:<cca0635f.0312221442.149bb500@posting.google.com>... ...
>
>> I have one more problem tho' on checking my domain on www.dnsreport.com,
>> I came across the following
>>
>> WARNING: Acceptance of domain literals WARN: One or more of your
>> mailservers does not accept mail in the domain literal format
>> (user@[0.0.0.0]). Mailservers are technically required RFC1123 5.2.17 to
>> accept mail to domain literals for any of its IP addresses. Not
>> accepting domain literals can make it more difficult to test your
>> mailserver, and can prevent you from receiving E-mail from people
>> reporting problems with your mailserver. However, it is unlikely that
>> any problems will occur if the domain literals are not accepted.
>
> Screw the RFCs. RFC whatever were designed when there were less spams on
> the net. Spammers like to use mail relays without domains. Force them to
> have
> domains and you will get less spams. Another good RFC violation is to
> enforce HELO/EHLO verify (cut down 30% of my spams). Block all mail
> servers from Cable/DSL without domains and you will cut out 80% of spams.
>
Thanks,
would that be "O AllowBogusHELO=False" ?

Where is block servers without domains?

>
>
>> www.myserver.com postmaster@[68.88.110.209] response:
>> >>> RCPT TO: <postmaster@[68.88.110.209]>
>> <<< 550 5.7.1 ... Relaying denied
>>
>> I could not find a solution for this..Any one , please?
>>
>> Thanks,
>> Ann
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Noi <noi@siam.com> wrote in message
>> news:<pan.2003.12.19.17.28.20.78741@siam.com>...
>> > On Fri, 19 Dec 2003 13:45:10 +0000, John Armstrong thoughtfully wrote:
>> >
>> > > On 18 Dec 2003 14:44:42 -0800, Ann wrote:
>> > >
>> > >> Hi,
>> > >>
>> > >> I am running a Redhat 9.0 system.
>> > >>
>> > >> When i try sending a message (thru my smtp server) using Mozzilla
>> > >> Mail , i get the following message
>> > >>
>> > >> =>
>> > >>
>> > >> Sending of message failed. Unable to connect to smtp server .The
>> > >> server may be down or incorrectly configured.Please verify that
>> > >> your mail/news settings are correct and try again.
>> > >>
>> > >>
>> > >> In sendmail.mc , i had made the following changes before creating
>> > >> sendmail.cf using m4 processor,
>> > >>
>> > >> commented out the following
>> > >>
>> > >> dnl DAEMON_OPTIONS('Port=smtp, Addr=127.0.0.1,Name= MTA')dnl
>> > >>
>> > >> Replaced LOCAL_DOMAIN('localhost.localdomain') with
>> > >> LOCAL_DOMAIN('polychip.net')
>> > >>
>> > >> Uncommented FEATURE(relay_based_on_MX)
>> > >>
>> > >> Also the following is specified
>> > >> MAILER(procmail)dnl
>> > >>
>> > >> i can telnet to smtp port from the same machine..but when i telnet
>> > >> from some other machine it just hangs..
>> > > I assume you are running Mozilla on the other machine? Is the
>> > > firewall running? Could be blocking incoming smtp iptables -L
>> >
>> > Maybe the OP made too many changes? OP should try original settings
>> > for LOCAL_DOMAIN and FEATURE(relay-based_on_MX) Mozilla server should
>> > be pointed to smtp server name (server.polychip.net?) Maybe use the
>> > MASQUERADE options to send mail out as user@polychip.net?