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Old 09-12-2005, 05:02 PM   #1
joe.biz
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Registered: Sep 2005
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can't receive outside mail with sendmail


what configuratiosn changes do i need to make to allow sendmail to receive mail from the outside? i want it to be able to accept mail when its sent to the server's ip address like user@68.23.23.232
 
Old 09-13-2005, 01:42 PM   #2
pnellesen
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Location: Missouri, USA
Distribution: Slackware 12.2, Xubuntu 9.10
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(Assuming you've got sendmail running) - can you telnet to port 25 on that machine ("telnet localhost 25")? If so, does your IP allow incoming port 25 traffic?
 
Old 09-13-2005, 01:52 PM   #3
joe.biz
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situation resolved. for searchers finding this page in the future this is how i fixed it:




dnl # The following causes sendmail to only listen on the IPv4 loopback address
dnl # 127.0.0.1 and not on any other network devices. Remove the loopback
dnl # address restriction to accept email from the internet or intranet.
dnl #
dnl DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl


the last line there in the sendmail.mc didnt have the 'dnl' in front of it, so i just added it and then m4 it to a .cf. also i had to add the domain that mail be sent to in /etc/local-host-names and then restart sendmail with /sbin/service sendmail restart
 
Old 10-05-2005, 10:54 AM   #4
minhkhoa
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Registered: Oct 2005
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what if my server has a nat ip

the same situtation, but my server is sit behind a firewall. it has a private ip address of 192.168.30.10. I have a isp ip address statically nat to the private ip address. my firewall has port 25 smtp open, but i cannot telnet to it. I can send email to outside but cannot receive email from other email like from yahoo.com. when i telnet from outside, i telnet to my server using the isp ip address which my firewall then forward to the private ip addresss. please let me know if i am missing any configuration.
 
  


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