I was never concerned about open rates, but long term customer service, and overall ease of use. I never struggled with SMTP2GO’s user or API interfaces, and I can’t say the same for AWS. I want my tasks to take an hour, not a day.
We’re sending reliably right now, but as our list grows past 50K per blast, it’s taking several hours to go out. That’s not ideal sometimes, as our content is time-sensitive.
I appreciate your Mautic hosting service. If we didn’t have such a tight RFC-2369 / RFS-8058 custom coded integration with our in-house systems, we might consider something like this.