>We have a strange issue when it comes to sending out email messages using >CF to a large number of subscribers (about 3,000).
not really very many >Our mail server logs contain entries such as: > >13:30:39.41 3 SMTPI-46717([**IP**]) read failed. Error Code=connection >closed by peer If CF SMTP client sending directly to MXs? or is it relaying outbound through real MTA like postfix. ime, web apps that send SMTP directly to MXs suck more than they don't, and many web app developers have very little clue about SMTP programming and debugging. >**IP** is the address of the ColdFusion server in question. I switched on >mail >logging in CF and it contains about 50 'Error' entries like this: > >Could not connect to SMTP host: mail.domain.com, port: 25 port 25 is refusing connections, probably because the SMTP service (or the machine overall) is overwhelmed. >In the Mail settings in CF Administrator, I increased the connection >timeout to >180 seconds way too long. 60 secs is more than enough > and the Spool Interval to 60 seconds. Is spool interval CF-ese for "smtp retry interval". If so, 60 is way too short, >r is the mail server not able to process them in time? ... is probably closer to the problem. >Any ideas would be gratefully received. On the CF box, install postfix, and have CF SMTP send to postfix, and postfix send to internet. CF SMTP client sucked badly initially, but it's probably greatly improved at this point, but doesn't/will never match a real MTA for sending to Internet. Len ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Special thanks to the CF Community Suite Gold Sponsor - CFHosting.net http://www.cfhosting.net Message: http://www.houseoffusion.com/lists.cfm/link=i:14:3748 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/14 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:14 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.14 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
