maybe i'm being too foolish..... how do i find that??? On Sun, May 31, 2009 at 9:34 PM, Jeremiah Bess <[email protected]>wrote:
> The MX record that points to mydomain.com > > Jeremiah E. Bess > Network Ninja, Penguin Geek, Father of four > > > On Sun, May 31, 2009 at 10:03, Jibz <[email protected]> wrote: > >> MX record of my linux server or the windows exchange server? >> >> >> On Sun, May 31, 2009 at 9:29 PM, Jeremiah Bess >> <[email protected]>wrote: >> >>> What does your MX record point to? >>> >>> Jeremiah E. Bess >>> Network Ninja, Penguin Geek, Father of four >>> >>> >>> On Sun, May 31, 2009 at 09:56, Jibz <[email protected]> wrote: >>> >>>> hey!!! thanks!! that did a great help >>>> >>>> but i have a small issue pending... >>>> >>>> the mails if i send to *[email protected]* are being >>>> delivered, but the ones to *[email protected]* are not. >>>> >>>> why could it be so??? >>>> >>>> mails being send from my server are being received as * >>>> [email protected]*. >>>> >>>> how do i change it to *[email protected]*?? >>>> >>>> where do i define my domain??? >>>> >>>> >>>> On Sun, May 31, 2009 at 9:25 AM, Jeremiah Bess <[email protected] >>>> > wrote: >>>> >>>>> I'm not an exchange guy, so I can't help much in that area. Is there >>>>> any reason why you have to use the exchange server as a relay? >>>>> >>>>> Jeremiah E. Bess >>>>> Network Ninja, Penguin Geek, Father of four >>>>> >>>>> >>>>> On Sat, May 30, 2009 at 21:28, Jibz <[email protected]> wrote: >>>>> >>>>>> Is there any way i can tell my mail server to not to deny that IP? >>>>>> Can i change the configuration not to check for relay? >>>>>> >>>>>> On Sun, May 31, 2009 at 2:48 AM, Jeremiah Bess < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> This is because your internet address does not reverse map to the DNS >>>>>>> domain you are sending from. You need to set your external DNS to use >>>>>>> your >>>>>>> NATed address, or use a dynamic DNS hosting service like dnydns or >>>>>>> no-ip.com. >>>>>>> >>>>>>> Basically, when you go to iptools.com and do a MX lookup for >>>>>>> yourdomain.com, it should show the internet address of your ISP >>>>>>> modem. Additionally, your IP should reverse map to yourdomain.com. >>>>>>> >>>>>>> Jeremiah E. Bess >>>>>>> Network Ninja, Penguin Geek, Father of four >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Sat, May 30, 2009 at 12:10, Jibz <[email protected]> wrote: >>>>>>> >>>>>>>> I have setup a mail server on CentOS 5 >>>>>>>> >>>>>>>> >>>>>>>> sendmail-8.13 >>>>>>>> >>>>>>>> I'm able to sent and receive mails from yahoo and gmail. >>>>>>>> I've another microsoft exchange server on the same network. Mails >>>>>>>> sent from that server to my mail server gets bounced. >>>>>>>> >>>>>>>> I got this error in /var/log/mail >>>>>>>> >>>>>>>> *May 30 22:11:24 myhostname sendmail[31981]: n4UGfO5L031981: >>>>>>>> ruleset=check_rcpt, arg1=<[email protected]>, relay= >>>>>>>> mx1.exchangeserver.com[public IP of exchange server] (may be >>>>>>>> forged), reject=550 5.7.1 <[email protected]>... Relaying >>>>>>>> denied. IP name possibly forged [public IP of exchange server] >>>>>>>> >>>>>>>> May 30 22:11:24 myhostname sendmail[31981]: n4UGfO5L031981: >>>>>>>> from=<usern...@exchangeserver>, size=0, class=0, nrcpts=0, >>>>>>>> proto=SMTP, daemon=MTA, relay=mx1.exchangeserver.com [public IP of >>>>>>>> exchange server] (may be forged)* >>>>>>>> >>>>>>>> As the exchange server is in my network if you do a lookup for the >>>>>>>> domain name of that server you will get the local IP only. >>>>>>>> >>>>>>>> So i changed the entry of my /etc/hosts file >>>>>>>> >>>>>>>> and added >>>>>>>> >>>>>>>> <PUBLIC IP> <exchangeserver.com> >>>>>>>> >>>>>>>> Now still the mails bounces but a different error >>>>>>>> >>>>>>>> *May 30 22:42:10 myhostname sendmail[32645]: n4UHCASl032645: >>>>>>>> ruleset=check_rcpt, arg1=<[email protected]>, >>>>>>>> relay=mail.exchangeserverom [public IP of exchange server], reject=550 >>>>>>>> 5.7.1 >>>>>>>> <[email protected]>... Relaying denied >>>>>>>> >>>>>>>> >>>>>>>> May 30 22:42:10 myhostname sendmail[32645]: n4UHCASl032645: >>>>>>>> from=<usern...@exchangeserver>, size=0, class=0, nrcpts=0, >>>>>>>> proto=SMTP, daemon=MTA, relay=mail.exchangeserver[public IP of exchange >>>>>>>> server]* >>>>>>>> >>>>>>>> Please help me out!!!! >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> "The will of God will never take you where the Grace of God will not >>>>>> protect you." >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> "The will of God will never take you where the Grace of God will not >>>> protect you." >>>> >>>> >>>> >>> >>> >>> >> >> >> -- >> "The will of God will never take you where the Grace of God will not >> protect you." >> >> >> > > > > -- "The will of God will never take you where the Grace of God will not protect you." --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Linux Users Group. 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