1. Page width should be set within 600 to 800px, within 1024px.
2. Please use UTF-8 for HTML encoding.
3. HTML code is within 15KB. (The collection standards for each mailbox are different. If you exceed 15KB, your email is likely to enter the trash can)
4. Please use the table form to lay out. Just put only one picture in the same <TD>, such as <td> <img src = Photo.jpg /> < /td>. All pictures must be defined. The same text is placed in the same <TD>.
5. If you need to display the center of the mail, set the align = center in the table.
6. Do not directly convert Word files to HTML format, otherwise it will cause irregular coding.
7. Do not use the CSS style of the external chain definition text and pictures (the CSS style of the external chain will not be read in the mail, so the email sent out will lose your mail content because there is no link to the style),), will be lost Correct writing: <td style = font-family: arial; font-size: 12px; color: black> text </td>.
8. Do not use Flash, JavaScript, Frames, Iframe, ActiveX, and DHTML. If the pictures in the page must be dynamic, please convert the FLASH file into GIF animation, but in Outlook2007, GIF will not be displayed normally because OUTLOOK2007 Restricted GIF animation.
9. Do not use labels such as Body, Meta, and HTML other than <Table> </Table>. Some mailbox systems will filter these.
10. Background picture code writing is as follows: <Table Background = Background.gif Cellspacing = 0 Cellpadding = 0> </table>, but please note that Outlook does not recognize the background image.
11. Do not appear onmouseover and onmouseout. Even if you are set in <TD>, you will be filtered after sending it to the mailbox. The content displayed by the mouse cannot be displayed.
12. The FONT-FAMILY attribute cannot be empty, otherwise it will be blocked by QQ as a spam.
13. If there is a blank spacing in the inner side of the mail template or upper and lower, do not use Padding. You must use the standard TD to set the blank spacing, otherwise the analysis of each mailbox will be different.
14. Precautions for defining LINE-Height in Yahoo mailbox: Line-height is required in block-level elements. If there is a P tag in TD, LINE-Height must also be defined in P. Whether it is TD or P, if there is a hyperlink, Line-Height must be defined in the A tag. If you just define LINE-Height in TD or P, then Yahoo's mailbox will not be able to recognize the heights in A.
15. Set Background-COLOR in a place with a background map to prevent the background diagram from displaying more beautifully.
16. Use Float, Margin, Padding. Absolute positioning cannot be used.
1. The theme of the mail is controlled within 18 words to avoid using special symbols, which is prone to garbled.
2. Do not add information with the website address of the mail, such as xxx.com, I wish you a good new year. If the customer's brand is well -known, the theme can be added to the company's name, such as: Nike sports fashion.
3. The text content, the layout is as simple as possible, highlight the theme to achieve a higher click rate.
4、不使用类似如下敏感及带促销类的文字：免费、优惠、特惠、特价、低价、便宜、廉价、视频、赚钱、群发、发财、致富、代开、薪水、交友、支付、商机、 Magic, Bao, secrets, intelligence, secrets, confidentiality, secret, mysterious, secret, etc. If necessary, please make a picture of sensitive words.
5. If more than 200,000 seals are sent, the theme content must be replaced, and more than 2 million seals are sent. Consider redesigning.
6. The text should be defined as much as possible. The default font style of each mailbox should be different. In order to achieve the effect you want, the font style must be completely defined.
1. Try to use pictures as much as possible to avoid the display of text in each mainstream mailbox. For example, QQ mailbox, if it is not set in the code, the text in the email cannot be automatically changed. The font of the Gmail mailbox mail will automatically enlarge, which is inconsistent with the original character size.
2. The entire page of pictures is controlled within 8 photos, and each picture cannot exceed 15KB.
3. Please do not write the location path of the picture address, for example: <IMG SRC = Images /AA.jpg /> (in this way, the recipient will not be able to see your picture).
4. The name of the picture cannot contain AD characters, otherwise the picture will be displayed as filtered ads after uploading.
5. If there is only one picture of the entire mail template, you must cut into 2-3 small pictures and keep some text appropriately.
6. The requirements of Gmail and QQ mailboxes have changed again. The attributes of the picture must be completely defined, such as <img src = images /1.jpg style = vertical-align: top; height = 30 width = 100 alt = /> = Vertical-Align: Top; must be defined, otherwise there will be abnormal situations such as gaps, deformation, etc. between the pictures.
7. Add ALT attributes to the IMG tag so that when the user receives the email, even if some mailbox hides the picture, you can also see the content in ALT. Such as: <IMG SRC = Images/1.jpg style = vertical-align: top; height = 30 width = 100 alt = display content/>, let customers understand the content of the email and attract customers to click the display image.
1. The number of links cannot exceed 10. If the link address of all pictures is the same, please merge all the small pictures into a large picture.
2. Please write the absolute address. (To ensure that the receiver can browse your content normally when clicking the link).
3. The length of the link address cannot exceed 255 characters, which will cause irreversible or link errors.
4. Do not use the map function (MAP) link picture. This function will make the mail divided into spam by most mailboxes.
5. In order to avoid the user received the email picture that cannot be browsed, please make a web page that is the same as the email content, and then indicate at the top of the mail: If you cannot view the content of the mail, please click here to link to the same content of visiting friends. Web page.
6. The risk of website address links in the text is extremely high, such as: http://xxx.com. Essence
7. It is best not to use special symbols in the link to avoid errors from mailbox analysis.
8. The link code should be as short as possible. Too long code will increase the size of the template, which will affect the email sending effect.
1. <col> Tags cannot be recognized. If you want to define the same width of several TDs, you can write the specific width in the specific TD. For example, <td width => </td>.
2. The padding of the internal element cannot be recognized. For example, <A href =# style = padding-left: 40px;> </a>, the content in the tag is not 40px from the left. Padding can be defined in TD.
3. The vertical-align of the internal association elements cannot be recognized, such as <img src = 1.jpg style = vertical-align: bottom />. This picture will not be aligned with the same element base. bottom> <IMG SRC = 1.jpg /> < /td>.
4. If the TD contains a table, the style defined in the tabLE will only correctly display the style defined in the sub -table, and the style of the father Table cannot be displayed correctly. Note: If there is a tag in Table, the color style of the content in the A tag should be defined in the A tag, and it is defined in the TABLE in the parent TD or where it is invalid.
5. If there is a interval between TD and TD, use <td style = border-bottom: 10px solid #fff> </td>. If you write this, there will be no interval between TD. The use of <td style = margin-bottom: 10px> </td> will not have space. If there is a gap between TD, it must be separated by <TD> </td> <td height = 10px> & nbsp; </td> <td> </td>. But if it is table, <Table style = border-top: 10px solid #ffffff; border-bottom: 20px solid #FFFFFFF> </table> will have empty lines in the upper and lower.
6. Width of the P tag is not known. For example, <p style = width: 320px> </p>, then the content in the P tag will not be automatically changed at 320px. Only when the width is set, the content will be changed at the width limit.
7. If you want to use the <p> label, consider the height of the <p> tag itself.
8. It is invalid to set Margin in <TD>, whether it is Margin-Left, Margin-Right, Margin-TOP or Margin-Boottom.
9. When setting <img align = left /> or <img align = right />, the picture will be out of the document flow. If you set Margin or Padding, you cannot move it down, left or right move Essence
10. In Outlook, if the nested picture is too long, it will cause the display to be abnormal. You can cut the picture into a few short small pictures and then layout.
And when you send the email template, try to paste the source code in the format, and you may lose the style if you have too many times!