These must now be added as .txt files to DNS records to verify sender identity.
: Databases sold or shared for bulk email campaigns. yahoocom gmailcom hotmailcom txt 2022 2021
For example, in early 2021, Yahoo allowed exporting contacts as .vcf and renaming to .txt . By late 2022, Yahoo restricted exports to CSV only. These must now be added as
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Google sends a list of 10 backup codes in a TXT file. Keep it safe. To use: