update: Add subscription termination info to Email Aliasing

redoomed1 commented 1 month ago

Changes proposed in this PR:

Email Aliasing recommendation page
- Add subscription termination information to the Email Aliasing page
- Relevant discussion: https://discuss.privacyguides.net/t/add-subscription-termination-info-to-email-aliasing/19208
- I also think that there's little reason not to include this information since a similar section is included for each provider on the Email Services page. Also, for a provider like addy, the end result of subscription termination is the same as that of account termination for e.g. Proton Mail: not receiving emails.
- Remove part of the addy.io description which states that unlimited standard aliases "are less anonymous"
- Reason: There is already a more detailed description of the limitation of this type of alias under the card.
- Convert Automatic PGP Encryption "abbreviation" to a footnote with multiple in-text references
With the introduction of Proton Duo recently, reword the SimpleLogin Premium benefit tied to multiple paid Proton plans
Make minor grammar changes

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