root@aboof:~# php -i | grep -ie mail -e smtp
mail.add_x_header => Off => Off
mail.force_extra_parameters => no value => no value
mail.log => no value => no value
sendmail_from => no value => no value
sendmail_path => /usr/sbin/sendmail -t -i => /usr/sbin/sendmail -t -i
SMTP => localhost => localhost
smtp_port => 25 => 25
Protocols => dict, file, ftp, ftps, gopher, http, https, imap, imaps, mqtt, pop3, pop3s, rtsp, scp, sftp, smb, smbs, smtp, smtps, telnet, tftp
Path to sendmail => /usr/sbin/sendmail -t -i
root@aboof:~#