MimeMessageHelper email how to add the local image by InputStreamSource by ByteArrayResource plus the Base64 ways are tried, will be treated as illegal file intercept the error message "? DT: 554 SPM email content contains information without permission, or by system identification as spam, please check whether there are users to send virus or spam." Beg god for help

CodePudding user response:

Substitution operators directly replace are not good