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Ability to send ColdFusion mail

I am currently working on a newsletter expression that needs to be mailed 20K in one shot. I feel that sending ColdFusion mail is not suitable for this. I have no indicators to prove this.

I searched the Internet about this, I found that there are many complaints about such a massive process of sending mail using the built-in CFMAIL. Few of them

  • Java Heap Size Error

  • IOException when sending a message

  • Mail blocking.

  • Mail Spool Timeout

We are using the Adobe version of ColdFusion 9 standard .

Has anyone worked like this requirement? Have you encountered any problems? How did you fix this? Are there other alternative ways to use a regular cfmail tag?

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4 answers

We have a system sending almost 500 thousand messages about 2 to 3 times a day. CF has no problem with this, if you have sufficient resources - these are decent disks and space, enough heap space and (especially) a well-functioning SMTP relay. In our case, we created a special relay server, which we could carefully configure.

CF Mail did not have any serious problems since ColdFusion 7. CF 8 and CF 9 work well. There is a level at which I would suggest another system to be sure - and other requirements may mean that you will be better off with SaaS, but in terms of performance, 20k messages are pretty small and shouldn't be a problem for an enterprise-class server.

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I think you might run into a problem if using the standard version, I'm not sure, but there is a thread limit (I think it's 10) for the coil for the standard version, which delays email. Let's say there are 10 threads for the coil, and each thread waits 15 seconds for the next start (can be adjusted from CFIDE) anyway, it will take about 8.33 hours to send all the letters.

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We have been using ColdFusion as a webmail delivery system since version 6. We have mail groups with 20x recipients.

We had one problem with this, the spooler hung up and forwarded the same mail again and again, forcing recipients to receive mail several times.

I think this problem has been resolved since version 7.

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If I remember well the difference between the coldfusion standard and the enterprise. Enterprise versions have improved CFMAIL throughput. At least that was in previous versions.

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Source: https://habr.com/ru/post/971209/

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