How to send a large number of letters from RoR (4.1) application (about 400

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Andrey Venin2015-03-04 23:32:22

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Andrey Venin, 2015-03-04 23:32:22

How to send a large number of letters from RoR (4.1) application (about 400 - 500k)?

Faced a problem. It is necessary to send a large number of letters in a reasonable amount of time (4 hours) (now it is about 300,000, but much more will soon grow).
This is a complex distribution. The user subscribes to certain categories and a digest is sent to him at night.

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firemark_s, 2015-03-13
@firemark_s

MTA on a separate machine must be raised, sent from the subdomain and signed with the DKIM of the subdomain, and the sender's address should be set to your site. In spf, specify the ip of the postman and the ip of your site.
If anything, write to the mail
I will try to help