mail command (sending email from the command line)
yum install mailx echo "email text" | mail -s "subject" from=renisans83@gmail.com renisans83@mail.ru
Blog
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SENDMAIL
Sendmail is one of the oldest MTAs (Mail Transfer Agents). The function of Sendmail is to receive mail from users' Mail User Agents (MUAs) and forward it to another Mail Transfer Agent. Sendmail can also accept incoming network connections and...
Postfix
Increase the email size by editing /etc/postfix/main.cf with vim and adding message_size_limit = 20000000