1. Pay Attention to Two-way Choice
When accounts send emails after submitting forms or subscriptions on your website, try to avoid sending emails to unregistered user mailboxes. Spam reports, unsubscribing rates, invalid address emails, etc. will reduce reputation;
2. Clear Email Subject
- The email must have a subject, and the subject must match the content of the email;
- Avoid using too short or too long email subject, try to be short and clear;
- Avoid reusing repeated subjects, and try to make each email not exactly the same;
- Avoid using greetings, special symbols (such as exclamation marks, question marks and other punctuation marks and other special symbols), capital letters, sensitive words (discounts, big promotions, free, etc.) in the subject;
3. Standardize Email Body
- Avoid spam trigger words, try not to use sensitive words such as free, discount, 50%, big promotion, discount, amount, etc. in the body of the email, and try to avoid special symbols such as exclamation marks and double quotation marks for punctuation;
- Pay attention to the ratio of text and images in emails. Pure pictures or text emails are usually put into spam (the type of emails best recognized by spam filters). It is recommended to send pictures and texts together. It is recommended that the proportion of pictures should not exceed 20% of the entire email content;
- The color of the email body should not be colorful, and keep the entire email content tidy;
- Avoid adding too many links in emails, link jumps usually insert hyperlinks;
4. Send Personalized Emails
- The content of email push should be constantly updated and iterated. Whether to repeatedly send the same content to multiple users is the basic criterion for judging spam;
5. Appropriate Sending Time
- The sending period is recommended to be between 10:00-20:00, and there is no mandatory requirement for the sending time. Generally speaking, companies can mass-send business emails related to customer work at the beginning of each week;
6. Include Unsubscribe Button
- The bottom of the email must contain an unsubscribe button, otherwise it is easy to be actively listed as spam by users;
7. Improve Email Opening Rate & Reduce Spam Complaint Rate
- Low open rate and high complaint rate are important indicators for ESP (email service provider) to block emails, so we need to keep track of these two indicators and make improvements to email content;
Attachment: common sensitive words
Free, discount, discount, big promotion, gift, marketing, sales, promotion, payment, business opportunity, plus group, WeChat group;
You hit the jackpot! act now! You are chosen! Great deal!
License, credit, loan, guarantee, casino
Words related to country, army, politics, etc.
uncivilized vocabulary
The nouns of mailbox service providers: such as QQ mailbox, Sohu, Netease, Taobao, Tmall, etc.;