| [Email] | Full recipient email address as-is |
| [email] | Full recipient email address in lowercase |
| [Host] | Capitalized host part of the domain (e.g., "Example" from example.com) |
| [host] | Lowercase host part of the domain (e.g., "example" from example.com) |
| [Domain] | Capitalized full domain (e.g., "Example.com") |
| [domain] | Lowercase full domain (e.g., "example.com") |
| [User] | Capitalized local part before @ (e.g., "User" from user@example.com) |
| [user] | Lowercase local part before @ (e.g., "user" from user@example.com) |
| [shortdate] | Current short date in DD/MM/YYYY format (e.g., 15/07/2025) |
| [longdate] | Current long date in Day, DD Month YYYY format (e.g., Tue, 15 Jul 2025) |
| [MD5] | Generated MD5 hash of a random string |
| [Base64email] | Base64-encoded full recipient email (case-insensitive tag) |
| [ShortTime] | Current short time in 12-hour HH:MM AM/PM format (case-insensitive tag, e.g., 01:22 PM) |
| [LongTime] | Current long time in 24-hour HH:MM Day, DD Mon YYYY format (case-insensitive tag, e.g., 13:22 Tue, 15 Jul 2025) |
| [randomletterN] | N random letters (default 4; uppercase if tag is uppercase; case-insensitive tag matching) |
| [randommixedN] | N random alphanumeric characters (default 8; uppercase if tag is uppercase; case-insensitive tag matching) |
| [RandomNumberN] | N random digits (N=1-10, default 6; case-insensitive tag matching) |