Articles List of helpful articles
邮件标题检测：
https://sendcheckit.com/
谷歌管理员工具箱
https://toolbox.googleapps.com/apps/main/
邮件标头检测
https://toolbox.googleapps.com/apps/messageheader/
邮件记录检测工具
https://mxtoolbox.com/
DKIM校验
https://dmarcian.com/dkim-validator/
日本人写的DKIM原理及修复
https://baremail.jp/blog/2023/10/13/3528/
黑名单查验
https://multirbl.valli.org/lookup/
RBL 黑名单查询
http://www.blacklistalert.org/
邮件基础评估
http://www.mail-tester.com/
...
官方要求：
https://blog.google/products/gmail/gmail-security-authentication-spam-protection/
博文解析：
https://www.badsender.com/en/2023/12/15/delivrabilite-regles-gmail-yahoo/
群发邮件指南：
https://support.google.com/a/answer/81126
简单总结就10条：
1、为您的网域设置SPF和DKIM电子邮件身份验证。
2、确保发送邮件的网域或IP具有有效的正向和反向DNS记录（也称为PTR记录）。
3、使用TLS连接传输电子邮件。
4、将PostmasterTools中报告的垃圾邮件比例保持在0.10%以下，避免达到0.30%或更高。
5、按照《互联网邮件格式》标准(RFC5322)来设置邮件格式。
6、请勿冒用Gmail中的“From:”标头。Gmail将开始采用DMARC的quarantine强制执行政策，冒用Gmail中的“From:”标头可能会影响电子邮件送达。
7、如果您经常转发电子邮件...
尊敬的客户：
在我们提供服务的前30天，已经帮您设置好发送服务器的预热功能，具体参数可以参考如下链接：
官方：https://www.mailwizz.com/kb/delivery-servers-warmup-plans/
External links:
https://sendgrid.com/resource/email-guide-ip-warm-up/
https://support.sparkpost.com/docs/deliverability/ip-warm-up-overview
https://docs.sendgrid.com/ui/sending-email/warming-up-an-ip-address
When sending a campaign, you are able to use a number of custom tags and filters.
Most common tags are listed below:
Tag
Required
[UNSUBSCRIBE_URL]
YES
[COMPANY_FULL_ADDRESS]
YES
[UPDATE_PROFILE_URL]
NO
[WEB_VERSION_URL]
NO
[CAMPAIGN_URL]
NO
[LIST_NAME]
NO
[LIST_SUBJECT]
NO
[LIST_DESCRIPTION]
NO
[LIST_FROM_NAME]
NO
[CURRENT_YEAR]
NO
[CURRENT_MONTH]
NO
[CURRENT_DAY]
NO
[CURRENT_DATE]
NO
[COMPANY_NAME]
NO
[COMPANY_ADDRE...
Do you use email in your business? The CAN-SPAM Act, a law that sets the rules for commercial email, establishes requirements for commercial messages, gives recipients the right to have you stop emailing them, and spells out tough penalties for violations.
Despite its name, the CAN-SPAM Act doesn’t apply just to bulk email. It covers all commercial messages, which the law defines as “any electronic mail message the primary purpose of which is the commercial advertisement or promotion of a comme...