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тАО06-30-2010 12:07 AM
тАО06-30-2010 12:07 AM
fail to send mail to certain domain
our server is hpux 11.31 & sendmail is running (but sendmail is for receiving email, right?).
I'm able to send email to my yahoo address but fail to send to email at hp dot com.
any ideas?
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тАО06-30-2010 12:23 AM
тАО06-30-2010 12:23 AM
Re: fail to send mail to certain domain
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тАО06-30-2010 12:41 AM
тАО06-30-2010 12:41 AM
Re: fail to send mail to certain domain
You can run without the daemon if you run a sendmail once in a while for jobs still on the queue or if your queue stays empty (your mail is always delivered at the relays when you send it).
As for the problem: try to question your DNS server for the MX records of yahoo.com and hp.com. Apperently the response for the latter is not accepted by your sendmail...
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тАО07-01-2010 05:29 AM
тАО07-01-2010 05:29 AM
Re: fail to send mail to certain domain
Elmer is right I think your problem is the DNS ( resolutaion of names )
Try to resolve the HP site:
nslookup xxx.hp.com
What is concerned to sendmail. Sendmail is used to send and receive email's.
You can configura a relay host ( a mail server ) in the /etc/mail/sendmail.cf
Regards.
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тАО07-01-2010 07:05 AM
тАО07-01-2010 07:05 AM
Re: fail to send mail to certain domain
Basically, each domain has its own set of rules for receiving inbound mail.
I'm pretty strict with mine, but here are the rules.
1) The IP address of the sender match the domain in a public ip lookup. e.g., if I say that I am hpux.ws, that a dns lookup on my ip address succeed.
2) Reverse lookup may be required. Most don't do it, but those domains that do, require a match to the ISP record and domain. ISP assistance is needed to make this work.
3) There are recipient number limits commonly used as well.
4) Many, many mail systems will not accept mail from a DHCP allocated IP address.
Based on the error you get from hp.com the data posted above is probably what is causing the issue. hp may have a email address or website that will guide you on the requirements to deliver mail to their system.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО07-01-2010 07:17 PM
тАО07-01-2010 07:17 PM