Alias Limits to External Email Accounts

You are reading this article to understand how many external email accounts you can add to an email alias account.

There is a limit of 4 external accounts for an alias, but unlimited "internal" accounts for the same domain.

EG: can be forwarded to an unlimited number of "internal" accounts on the account. etc.

For external addresses its a limit of 4 accounts.

EG: could be forwarded to,, and

Why is there a limit on external addresses?
When you forward an email to an external address, it counts as an incoming mail on the recipient mail server and if you have more than 5 external accounts to the same provider, for example,, they will block the email for "excessive" usage.


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