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CFMAIL function has stopped sending email

On 11/27 a Coldfusion server error/event log grew rapidly in size reducing free space on the partition to almost nil unexpectedly. Many CF services began to fail/throw errors. I archived the offending log(s) &  moved them to a new partition, freeing up 1.4 G of space. I rebooted the server and all has appeared to be well except that the cfmail function no longer sends email. No error is thrown. CF logs indicate that it was sent. Using the CF Admin console I pointed the mail settings to another, newer SMTP server. The connection was verified but still cfmail does not work.  Thru Telnet I can get a greeting from the SMTP server so I do not think this is an NT issue.

 Any guidance as to what to check or try will be appreciated. The email admin and I are both stumped.

Note: Our development server which is set up virtually identical to the production server does properly send. And so far I have not found any CF Admin settings that are different between the two servers.
<cftry>
	<cfmail from="xxx@unc.edu" to="xxxx@mail.fpg.edu" 
		subject="cfmail test" server="smtp.fpg.edu" 
		type="html">
		<h2>Check to see if you get an email. If so, CFMAIL is working!</h2>
	
	</cfmail>
	<cfcatch type="any">
	<h2> something is not working right!</h2>
	</cfcatch>
</cftry>

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krausdogs
Asked:
krausdogs
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1 Solution
 
erikTsomikSystem Architect, CF programmer Commented:
That is right is not working . Check your server name and make sure it is correctly spelled out.
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erikTsomikSystem Architect, CF programmer Commented:
Also I think I know what the problem is . Along with the serve rtry to specify the user name , password and the port . That should work. I tried send the email without the server and it works
server=mail.myco.com,mail_admin:adm2qzf@mail2.myco.com:24
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erikTsomikSystem Architect, CF programmer Commented:
Because i think your mail server requires authentication prior to be sent . TRy specifying user name an password and the port
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krausdogsAuthor Commented:
eriktsomik,
I appreciate you quick responses but you are heading down a dead end. Nothing that you have mentioned above is relevant to this problem. The authentication, port, server name are all clearly established. The exact same code runs fine on the development server but not the production server.
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erikTsomikSystem Architect, CF programmer Commented:
Compare the configuration of the prod server and dev server. I think it still has something to do with authentication
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krausdogsAuthor Commented:
Help me out, compare what configuration(s) exactly? Please be more specific. What settings or parts of a particular configuration affect this cfmail function?  (Note: I have compared cfusion folder/file structures; cfadmin settings, NT services, and have far have found nothing different between the two yet.)

I'm curious, what do you think would make this SMTP authentication suddenly fail after 6 reliably working years? And how would you go about checking to see it this is an authentication issue? Where would you look?
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erikTsomikSystem Architect, CF programmer Commented:
In the server setting --> Mail there is a check box verify mail server connection . It should be uncheck
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krausdogsAuthor Commented:
Issue resolved, I withdraw all points and close this question.

The winner (real expert on this one) was Critter, the head of my local CF user group. His solution:

"IIRC, there is a problem with a 0 byte mail file that will stop cfmail from working. Have a look in the cfusion... \spool folder and see if there is one. If so get rid of it."

My note:  a 1 kb file in the spool folder also needed to be removed--clearly corrupted since it could not be deleted until I removed the 2 char scribble with some new content.
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ee_autoCommented:
Question PAQ'd, 500 points not refunded, and stored in the solution database.
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