mailer

As a noun mailer

is one who sends mail.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between mailer and addresses

is that mailer is one who sends mail while addresses is .

As a verb addresses is

(address).

As nouns the difference between mailer and null

is that mailer is one who sends mail while null is zero, nil; the cardinal number before einn.

As nouns the difference between email and mailer

is that email is a raised or embossed image pressed into metal, such as a seal pressed into a foil and attached to a document while mailer is one who sends mail.

As a verb email

is an alternative spelling of lang=en.

As nouns the difference between mailer and bag

is that mailer is one who sends mail while bag is a flexible container made of cloth, paper, plastic, etc.

As a verb bag is

to put into a bag.

As nouns the difference between post and mailer

is that post is post, mail while mailer is one who sends mail.

As a noun mailer

is one who sends mail.

As an adjective undefined is

lacking a definition or value.

As a noun mailer is

one who sends mail.

As nouns the difference between addressee and mailer

is that addressee is the person or organization to which something, such as a letter or message, is addressed or sent, for whom the item is intended while mailer is one who sends mail.