The best alternatives to PipeMail are Ugly Email, Spike, and BlockSurvey. If these 3 options don't work for you, we've listed a few more alternatives below.
BlockSurvey is a decentralized way to create and collect surveys and polls. All the surveys and polls results are owned by you and only you can see the results. All your data is secure and only you can view it.
With big email providers you don't own your data! - They can sell it to the highest bidder. - They can keep it when you close your account. - They can choose to stop the service any time and your data is lost. ...
LastMX allows you to create unique aliases that redirect to your personal email address. The real address is never disclosed and you can send or receive messages.