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SimpleLogin or mxproxy for aliases on your domain

SimpleLogin, by Proton, is built for privacy: aliases that hide your real email. mxproxy is a domain forwarder. The two meet at one point, aliases on your own domain, and that is all this page compares.

In short

  • Is the goal to hide your real email from every site you sign up to? SimpleLogin is built for that and goes further (PGP, open source).
  • Is the goal that hello@, sales@ and your domain’s aliases reach Gmail or Outlook, and you reply from there as the domain? That is mxproxy’s job.

Side by side

mxproxy SimpleLogin
Own domain On every plan (catch-all only on free) On Premium: US$36/year or US$4/month, unlimited domains
Free plan 1 domain of yours, catch-all, 10 messages/month 10 aliases, no own domain
Aliases on the domain 100 forwarders on Personal ($4.00/month), unlimited from Pro up; random aliases with a note of who they were given to Unlimited on Premium
Catch-all Yes On Premium
Replying From Gmail or Outlook, with “Send mail as” and our SMTP (from Personal up) Through the reverse alias: you reply from your email and SimpleLogin sends from the alias; writing first to a new contact is Premium
Inboxes per address Up to 10, depending on the plan Unlimited mailboxes on Premium
Extra privacy Spam filter per domain, 30-day log PGP on Premium, open source and self-hostable

SimpleLogin’s public prices checked on October 20, 2026; mxproxy’s are shown in the currency of the plans page.

What SimpleLogin does better

  • Replying from the alias without setting up SMTP in your email, and without revealing the real address.
  • Unlimited own domains for a flat price.
  • PGP, open source and the option to host it yourself.

Where mxproxy is different

  • It is the domain’s email, not only aliases: one address reaches several inboxes at once, with a catch-all for typos.
  • You reply from inside Gmail or Outlook, signed with your domain’s DKIM, as from a mailbox on the domain itself.
  • A log of every message, an adjustable spam filter and a Telegram or webhook alert.

You can use both: SimpleLogin for website sign-ups, on a subdomain or a domain just for that, and mxproxy for the main domain’s email.

Aliases at mxproxy

In the dashboard, “New random alias” creates a pronounceable address on your domain, with a note of who you gave it to; if it leaks, just turn it off, or discard whatever reaches it without bouncing anything back to the sender. Addresses with + (hello+shop@) reach hello@ with no setup.

Get your domain’s email in Gmail

Create the free account, add the domain and copy the records from the dashboard. The free plan covers one domain with a catch-all; replying as the domain comes with the paid plans.