saisetteiyoumeeruadoresu to bakkuappukoodo o kakuninsuru.

direct object particle

Breakdown of saisetteiyoumeeruadoresu to bakkuappukoodo o kakuninsuru.

• と: noun-connector particle
• 確認かくにんする: to check

Questions & Answers about saisetteiyoumeeruadoresu to bakkuappukoodo o kakuninsuru.

What does 再設定用 mean, and how is it built?

再設定用 means for resetting or for reconfiguration/reset use.

It breaks down like this:

• 再 = again / re-
• 設定 = setting, configuration, setup
• 用 = for use, intended for

So 再設定用メールアドレス is literally an email address for resetting. In natural English, this may be shown as something like recovery email address or reset email address, depending on the app or website.

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Why is there no の in 再設定用メールアドレス?

Because 用 can directly attach to a noun to mean for the purpose of ....

So:

• 再設定用メールアドレス = email address for resetting

This is a very common compact pattern in Japanese, especially in technical, business, or UI language.

You can think of X用Y as:

• X-use Y
• Y for X

Examples:

• 子供用 = for children
• 仕事用パソコン = work computer
• 確認用コード = code for confirmation

Using の here would sound different or unnatural in this fixed style.

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What does と do in this sentence?