Name: mx.mydomain.com Address: 92.242.132.2 On Sun, May 31, 2009 at 9:40 PM, Jeremiah Bess <[email protected]>wrote:
> From a machine other than your linux mail server, type this at a command > prompt: > > nslookup -type=mx mydomain.com > > post the results here > > Jeremiah E. Bess > Network Ninja, Penguin Geek, Father of four > > > On Sun, May 31, 2009 at 10:06, Jibz <[email protected]> wrote: > >> 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." >> >> >> > > > > -- "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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