Multiple Smtp, ip rotation simultaneously with phplist

I am using Multi SMTP IP Rotation to send campaigns, sending 30K emails in 1 campaign, it’s sending through 1st listed SMTP server, but i want that to be send campaigns simultaneously from mentioned SMTP, how to do this?

How to use load balance in PHPLIST?

You can use a load balancer with phpList in the same way you would use it with any other application. You just need to give phpList a single gateway server to go through. phpList is agnostic regarding the smtp underneath, so long as mail is accepted.