I know that this is a topic that has been well covered here and throughout the Internet, so I do not ask for a list of letters with the carrier, however my question is how to send the text without knowing the user, and through a third party.
The only solution I was thinking of would be sent to all carriers. I would only send it to American carriers, but will a large number of idle letters slow down the mail server at all or cause other problems?
Any advice on this decision or the thoughts of others would be great.
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