More concurrent connections
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Hi, I am using third party to send emails and was wondering how I can send with more concurrent connections. Sending is so slow about 5000 an hour with SMTP and spark post said to speed it up I need to do the following. I have a very fast server and a lot of resources so memory and cpu speed is not an issue. I have php.ini setup with large limits and it set to be fast and also have the cron job running like you guys suggest but still it is so slow. Please read below and tell me how I can implement these three things.
1. Use concurrent connections by having multiple batches running simultaneously – use up to 10 connections at a time. Having multiple connections open and running allows more messages to be sent in a shorter period of time.
2. Keep the TCP connections open between messages. Closing and opening connections on each message is much less efficient and can slow performance.
3. Ensure your SMTP client has pipelining enabled, to reduce the roundtrip delay on some SMTP commands.
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