![I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE](https://i.gzn.jp/img/2021/01/24/fastmail/0106.png)
I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE
![I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE](https://i.gzn.jp/img/2021/01/24/fastmail/0103.png)
I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE
![I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE](https://i.gzn.jp/img/2021/01/24/fastmail/00.png)
I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE
![I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE I tried using the mail service 'Fastmail' that can use various functions such as calendar function and domain management - GIGAZINE](https://i.gzn.jp/img/2021/01/24/fastmail/0107.png)