[liberationtech] remaining free email hosts on tor hidden services

[Tempest]

recently, it appears that bitmessage.ch has closed down new
registrations for the time being. as a result, i am looking for a
replacement "instant registration" free email service in the ".onion"
tor hidden service domain to use in a guide to get people started with
anonymity and encryption.

so far, i've only found two remaining instant registration free email
services that do not require an additional email address. they are
mail2tor.com and vfemail.net. ideally, since the guide is written with
the intent of being usable by novices, i'd like to avoid using a service
that only offers imap when an email client is used. rather, i'd prefer
the pop3 option since it can be configured to automatically download
messages and erase them from a server with a click of a button.

does anyone know of any additional free email services with instant
registration in the .onion domain?

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gpg key - 0x2A49578A7291BB34
fingerprint - 63C4 E106 AC6A 5F2F DDB2 3840 2A49 578A 7291 BB34