Based on our record, Downpour.com seems to be a lot more popular than MailDrop. While we know about 11 links to Downpour.com, we've tracked only 1 mention of MailDrop. 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.
I did also briefly try https://heluna.com/ as it has a pricing modal that works for my use case and it has a nicer UI than mxguarddog. However I wasn't impressed that Heluna doesn't allow for delivering email on a non standard port to my mail server and they don't specify the source IPs they use to deliver mail to me so I can lock down my perimeter firewall to just those IPs. Both of these things mxguarddog allows... Source: over 2 years ago
Downpour.com allows people to download normal MP3s of purchases. They offer old-school CDs as well. So, no vendor lock-in there :). Source: 7 months ago
I agree about downpour.com - the vast majority (at least 99%) of the titles listed have no copy protection, so you don't have to worry about playing them only on a specific piece of equipment or specific software - any program and/or any device that will play MP3 or M4B files will work (plus you can play it online from their website). Source: about 1 year ago
Downpour.com - multiple choices for downloads. Source: about 1 year ago
Besides downpour.com, there is libro.fm which supports independent bookstores and has DRM free files you can download and use freely. Source: about 1 year ago
Incorrect, downpour.com will let you download MP3s of audiobooks that you buy. Source: about 1 year ago
Guerrilla Mail - Guerrilla Mail is a web-based app that provides a disposable and anonymous email address. Users of the service are not required to set up an account in order to send or receive emails.
Audible - Audible is the world’s largest provider of premium audiobooks and spoken word content.
10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.
LearnOutLoud.com - LearnOutLoud.com is the web's largest resource for audio & video learning.
Mailinator - Any Inbox. Any Time.
LibriVox - free public domain audiobooks