May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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87
関連用語
用語に関連する話
用語の使用例
2
I
T
S M T P と P O P 、I M A P
POPとIMAPの使い分け
POPはサーバーにあるメールを
PCなどの端末にダウンロードし
てメールソフトで管理するのに
対し、IMAPではサーバー上で管
理する。
迷惑メールを防ぐOP25B
迷惑メールの送信を抑止するた
め、外部ネットワークへの25番
ポート（メールの送信に使われる）
の通信をプロバイダで遮断する
ことをOP25B と言う。
添付ファイルを送る技術
英数字しか送信できなかった電
子メールの規格を拡張し、添付
ファイルなどを英数字に変換し
て送信できるようにした規格に
MIMEがある。
メールの送受信に使われる
メールを送信するときに使われるプロトコルに SMTP があり、送信者のコンピュータから
メール サ ー バー、メール サ ー バーとメール サ ー バー の 間 の 通 信 に 使 わ れる。一 方 、メール
を受信するときに使われるプロトコルに POP や IMAP があり、受信者のコンピュータとメー
ルサーバーの間の通 信に使われる。
▶
えすえむてぃーぴ ー
▶
ぽっぷ
▶
あ いまっ ぷ
Keyword
072
「最近はWebメールを使うことが多くて、SMTPやPOPの設定をすることが減ったね。」
スパムメール
……P183
SSL/TLS
……P206
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.