Many SMTP providers have daily sending limits. If you have 100,000 emails but can only send 10,000 per day, split your file into 10 parts.
Linux Command:
split -l 10000 large_email_list.txt batch_part_
This creates files named batch_part_aa, batch_part_ab, etc., each containing 10,000 emails. email list txt file
Email addresses can technically contain non-Latin characters (e.g., Pokémon@example.com). However, for maximum deliverability, stick to standard UTF-8 encoding. When saving your .txt file, ensure your text editor uses UTF-8 without BOM (Byte Order Mark). Notepad++ and VS Code allow you to select this explicitly. Many SMTP providers have daily sending limits
If you are storing real people's emails in a .txt file: This creates files named batch_part_aa , batch_part_ab ,
These platforms do not accept raw .txt uploads directly. You must first convert your .txt file to a CSV with a header:
Most marketers build lists in spreadsheets. To convert a spreadsheet column to a .txt file: