2 months later

aaP_pcdrips
Check whether there is a directory or not, create it manually and set the relevant permissions at the same time

ls -al /var/spool/postfix/

mkdir /var/spool/postfix/maildrop
chmod 770 /var/spool/postfix/maildrop

At the same time, check whether the hard disk space is normal
df -h && df -i

    aaPanel_Kern

    Sorry am not expert on this,you mean i needed to create three folders as you mentioned? Where can i create in in my file manager?

      a month later

      aaP_pcdrips
      Hello, what information is not sent? The log shows that the login verification failed. It is recommended to check whether the information entered is correct?

        aaPanel_Kern which login verification failed? I mean where do i need to login? I reinstalled aapanel yesterday then i installed mail plugin the only thing i added is password in redis.
        So i dont get it whe you talking bout login

          aaPanel_Kern Then tell me what is it and what am supposed to do ? Am not an expert please guide me.You are only showin me login issue but you dont tell me what is it and where can solve it