Use a tool like Notepad++ or online "duplicate line removers" to ensure you aren't emailing the same person twice.
Unlike Excel, which might auto-format long numbers or date fields, a TXT file preserves exactly what you type. email list txt file
An email list stored as a .txt file is a minimal, portable, and programmer-friendly format. Its simplicity is both its strength (easy to create and parse) and its weakness (no structure, no security, no metadata). For basic imports, backups, or command-line mailing, TXT is sufficient. For professional marketing, compliance, or large-scale communication, a database or CRM with consent tracking is mandatory. Use a tool like Notepad++ or online "duplicate
With the rise of APIs, webhooks, and real-time synchronization, the manual TXT file seems archaic. However, it remains the . When APIs break, when you need to migrate from a dying ESP, or when you want to analyze data offline, the TXT file is there. Its simplicity is both its strength (easy to
Pro tip: If you are unsure, always default to one email per line with a trailing newline character after the last email.
These laws share a common principle regarding consent. Under GDPR and CASL, you generally need to send commercial emails. This means the recipient must have actively ticked a box or signed up specifically to receive messages from you .