sendmail error IOException, I don't know what to do

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Noah Smith 2020-2-26

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/507750-sendmail-error-ioexception-i-don-t-know-what-to-do

setpref ('Internet','SMTP_Server','smtp.gmail.com') ;
setpref('Internet','SMTP_Username','*myEmail*'); 
setpref('Internet','SMTP_Password','*mypassword*') ;
props = java.lang.System.getProperties;
props.setProperty('mail.smtp.auth','true');
props.setProperty('mail.smtp.socketFactory.class', 'javax.net.ssl.SSLSocketFactory');
props.setProperty('mail.smtp.socketFactory.port','465');
sendmail('*myEmail*','yo');

I did pretty much everything everyone has said to do. I got past the authentication error by turring third party security off but now i am getting this error

Error using sendmail (line 175)
IOException while sending message;
encoding
Error in addadwda (line 10)
sendmail('*myEmail*','yo');

I dont know what to do because I dont see this error anywhere on google related to matlab. (the 'while sending message' is not purple when the error pops up in the comand window)