Based on our record, OpenSMTPD should be more popular than Campaign Monitor. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
According to campaignmonitor, the Return on investment in email marketing is 4400%. This implies a $44 return on every $1 spent. Also according to Direct Marketing Association, 66% of consumers have made a purchase online due to an email marketing message they have received in the past. Source: almost 2 years ago
I've had something of the same experience with Postfix, u/0x29aNull. Check out OpenSMTPD. It is lightweight and standards compliant. I know that there are packages for Debian and Alpine Linux. There may also be ones for Fedora/RHEL derivatives. I use it in my environment on OpenBSD. Source: about 1 year ago
When I installed Rspamd with on OpenBSD / OpenSMTPD the other day, DKIMProxy out (dkimproxy_out daemon), which had been got via OpenBSD Ports package system, was used to add DKIM signatures to mails in order to improve security on emails. - Source: dev.to / almost 3 years ago
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
sSMTP - sSMTP is a simple MTA to deliver mail from a computer to a mail server.
Klaviyo - Klaviyo helps brands own the customer experience, grow higher-value relationships, and deliver more personalized marketing experiences across email, mobile, and web.
Exim - Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.