other high performance mta like powermta [closed]

Question

i am looking for alternatives to powermta. we send out a ton of mails per month and want to move to a professional mta. the alternatives can be in the price range of powermta, it does not have to be free/open source.

i found strongmail but did not get any pricing information yet. i checked ironport, this looks super expensive ("own operating system with optimized asnyc IO/scheduler etc.").

any other products in the same field? a few years ago i had another one but i can not find it again. it was f something mta.

thanks for your help.

greets, stefan

Answer 1

There is a very similar question to this one on stack overflow. I would say the same as suggested there: build a good mail gateway using linux + exim or postfix and some other free tools and you will have a very powerful MTA.

Answer 2

Although not exactly what you ask for, Mailgun might be helpful

Answer 3

I know you're looking for a product rather than an answer, so this response is not really for you, but more for others who may come along and read your question later.

I've had great success in years past with a tuned sendmail. I built a box designed to handle only the company's mass customer mailings, not their ordinary mail. Specifically, I tuned the initial timeouts so that the 90% of mail that was going to customers who had valid addresses, ready to receive it, got off the box in well under a second; the 10% that couldn't get out inside a second got shuffled into a queue that only got run when there was nothing better to do. The box was for outgoing mail only; the envelope-from and sender-from were both intended to direct bounces to a different server. Submissions were one recipient each.

It's been some years, so some of this may no longer be valid. But we were handling fairly high volumes (hundreds of thousands of emails in a single go) and the tuning made a huge difference.

Answer 4

You did not specify the actual volume of mail you need to send. Anyway, I think Linux/*BSD with Postfix would be more than powerful enough for you; I have administered nearly a decade some mail servers sending/receiving up to tens of thousands of messages per minute, and the servers do not have any problems handling them. Is that kind of volume enough for you?

Answer 5

PowerMTA has a lot of features like different queues, transferring mail to other servers, pausing queues, all kinds of stuff you can't do with postfix. I use it religiously. I've looked for other alternatives, but could not find anything better.

strongmail is expensive and ironport is more. (100k).