术语表 · 更新于 May 2026

邮件营销术语表 — 真正重要的那些词。

对您规模化运营邮件时会遇到的术语,提供简明、有来源依据的定义。每一条都引用底层 RFC、厂商文档或 AcelleMail 源代码路径 — 把好奇读者送到 404 页的转述定义不在本页。从您查找的术语开始;交叉链接带您穿过相关集群。

本术语表 · 10 条术语

SMTP — Simple Mail Transfer Protocol
SPF — Sender Policy Framework
DKIM — DomainKeys Identified Mail
DMARC — Domain-based Message Authentication, Reporting and Conformance
Amazon SES — Amazon Simple Email Service
Double opt-in — Two-step subscriber confirmation
Hard bounce — Permanent delivery failure
Soft bounce — Transient delivery failure
IP warmup — Sending volume ramp on a new IP
Email deliverability — The rate at which sent messages reach the recipient inbox

浏览全部术语

每条定义独立成章。交叉链接串起集群。

Protocol RFC 5321

SMTP

Simple Mail Transfer Protocol

SMTP (Simple Mail Transfer Protocol) is the internet standard for transferring email messages between mail servers, defined in RFC 5321. It is the wire protocol behind every email...

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Authentication RFC 7208

SPF

Sender Policy Framework

SPF (Sender Policy Framework) is a DNS-based email authentication standard (RFC 7208) that lists the IP addresses authorised to send mail for a domain. Receiving servers query the...

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Authentication RFC 6376

DKIM

DomainKeys Identified Mail

DKIM (DomainKeys Identified Mail) is a cryptographic email authentication standard (RFC 6376) in which the sender signs each outgoing message with a private key, and the receiver v...

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Authentication RFC 7489

DMARC

Domain-based Message Authentication, Reporting and Conformance

DMARC (Domain-based Message Authentication, Reporting and Conformance) is an email authentication policy layer (RFC 7489) that tells receivers what to do when SPF or DKIM fails, an...

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Vendor

Amazon SES

Amazon Simple Email Service

Amazon SES (Simple Email Service) is the AWS pay-as-you-go email-relay service. AcelleMail ships with first-class SES drivers (SMTP and API) and treats it as the recommended sendin...

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Compliance

Double opt-in

Two-step subscriber confirmation

Double opt-in is a two-step list-subscription flow in which a new subscriber confirms their email address by clicking a link in a confirmation message before they are added to the...

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Operations

Hard bounce

Permanent delivery failure

A hard bounce is a permanent email delivery failure — the receiving mail server has rejected the message in a way that signals retrying will never succeed (e.g. mailbox does not ex...

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Operations

Soft bounce

Transient delivery failure

A soft bounce is a transient email delivery failure — the receiving server has temporarily refused the message (mailbox full, server down, greylisting) and the sender may retry. Ac...

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Operations

IP warmup

Sending volume ramp on a new IP

IP warmup is the practice of gradually ramping daily sending volume on a new sending IP to build a positive reputation with mailbox providers. AcelleMail ships a built-in WarmupStr...

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Metric

Email deliverability

The rate at which sent messages reach the recipient inbox

Email deliverability is the rate at which sent messages actually reach the recipient's primary inbox — distinct from delivery (the receiving server accepted the message) and from s...

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为何要术语表

当支柱指南太长、规范又太密时。

送达率支柱是长读 — RFC 语法、6 周 IP 预热排期、退信处理器调优手册。术语表是索引卡:一段话的定义、一段 AcelleMail 的处理方式、三四条交叉链接。从搜索过来,带着可用的心智模型与一条通向更深页面的链接离开。

每个术语页上的每一项主张都追溯到来源 — RFC 段落、AWS 文档 URL,或 /Users/luan/apps/acelle/ 下的路径。如果某条事实不再成立,在源代码注册表 (resources/glossary/index.php) 中修正,下次部署后术语页随之更新。

需要更长的阅读？

三篇支柱指南深入展开本术语表索引的话题。每一篇都与 AcelleMail 代码库对齐源代码契约。

送达率指南 → 成本节省指南 → 自托管支柱 →

邮件营销术语表 — 真正重要的那些词。

每条定义独立成章。交叉链接串起集群。

SMTP

SPF

DKIM

DMARC

Amazon SES

Double opt-in

Hard bounce

Soft bounce

IP warmup

Email deliverability

当支柱指南太长、规范又太密时。

需要更长的阅读？

在您自己的服务器上,按您自己的方式运营邮件营销

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