Determine the POP3 server by email


An email of the form is given .
It is necessary to define the server of incoming mail (address and port) for reading the letter. It is advisable to define a username.

For should give username:name
For should issue username

For the latter, you do not need to check. I gave it only in order to show that names for postal addresses are taken not before the @ symbol. And I doubt that this is generally possible for the latter (name definition).

BUT: The domain is perfectly defined by the Gmail service.


I would venture to suggest that there is an enumeration of common names (pop, pop3, mail, relay, etc.) with a check on port 110.

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