Asterisk e-mailing voicemail messages



 I installed Asterisk on Centos, and it is currently e-mailing the voicemail messages to the intended recipients without a problem.  My question is, I never setup a mail server on this machine, so how is it relaying these messages?  I was quite surprised when the voicemail showed up in my email box.  

Thanks!
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jkocklerAsked:
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Ron MalmsteadInformation Services ManagerCommented:
I believe it uses Linux's built-in smtp client. 'sendmail'
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Ron MalmsteadInformation Services ManagerCommented:
As long as it can resolve the recipients mail domain name to an ip address, it can send a message to it for that recipient.
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jkocklerAuthor Commented:
I am surprised the recipient domains are even accepting the mail.
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Ron MalmsteadInformation Services ManagerCommented:
Many times, the recipient domain will not except the mail....   especially in cases where the sender's email domain does not match a the reverse lookup.

If it matches though,...meaning you own the domain and it resolves correctly... you should never have a problem with the server not accepting it.


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Ron MalmsteadInformation Services ManagerCommented:
accept...   ;)
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jkocklerAuthor Commented:
Yea, I don't have a PTR record setup yet, nor do I even have my sending sending server name anything remotely close to the truth.  If it isn't broken, I am not going to fix it.

How do I get into sendmail?
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jkocklerAuthor Commented:
How can I look in real time at what this mail client is doing?  I setup a PTR record, but some domains are not accepting the mail.  I am not getting a bounce back message either.  I want to be sure this is sendmail, because like I said, I never set anything up.
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Ron MalmsteadInformation Services ManagerCommented:
Sendmail is a mail transfer agent, which doesn't have a native GUI.  It's a daemon which is used from command line, to send or recieve email.

Looking around I found a couple GUI's that were written for sendmail...  never used them myself though.
http://www.debianhelp.co.uk/sendeximweb.htm
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jkocklerAuthor Commented:
I opened up a new thread on troubleshooting my current issues with Sendmail ... There has to be a small setting somewhere that is giving me a problem.


http://secure.experts-exchange.com/OS/Linux/Q_24572247.html
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