desheikh
Most of the work goes into reputation management and customer support and in my experience, most of the cost is marketing.
For raw sending there are plenty of cheaper options, as others have mentioned. SES, for example, charges ~$0.10 per 1,000.
Shameless plug - I run a hosted alternative to Sendy https://www.mailblast.io/
Shameless plug: I run https://mailblast.io, a hosted email marketing solution powered by Amazon SES.
My local Supermarket chain, could just put up a rack with meal kits, and destroy most of their market.
If you try it out and find something you need missing, drop me a line and I'll see what I can do!
Try out the service and drop me a line, I'm sure I can accommodate your use case :)
I should just set up a referral program myself and let others do it for me :p
I built SimplerSES for the same reason - a cheaper alternative to MailChimp using AWS SES. It's built as a hosted service so theres no server costs, and you only pay for the emails you send out.
Show HN: SimplerSES - Email Management for Amazon SES
At least for me, none of the addons seem to add anything compelling to the default bootstrap for me to use it.
Socks - A javascript UI toolkit inspired by Shoes
http://wiki.github.com/petejkim/socks
Introducing Socks. An easy to use javascript UI toolkit with Shoes (http://www.shoooes.net) like syntax. Build webapps quickly and easily with no knowledge of HTML or CSS.