Save the file with a .txt extension, and you have your email list in a portable, manageable format.
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Email marketing remains one of the most effective ways to reach audiences directly. For marketers managing large databases, organizing contacts by domain—such as Yahoo, Hotmail, AOL, and Gmail—is a standard practice for maintaining high deliverability.
No specialized software is needed; Notepad, TextEdit, or Excel works perfectly. 2. Formatting Your Email List .txt File
user1@gmail.com user2@yahoo.com user3@hotmail.com user4@aol.com Use code with caution. 2. The Delimited List (Data + Email)