/ tool e-mail
set server=1.2.3.4 from="you@somewhere.comt"

/system script
add name=ebackup policy=ftp,reboot,read,write,policy,test,winbox,password,sniff source="/\
 system backup save name=([/system identity get name] . \"-\" . \\\r\
 \n[:pick [/system clock get date] 7 11] . [:pick [/system clock get date] 0 3] . [:pi\
 ck [/system clock get date] 4 6]); \\\r\
 \n/tool e-mail send to=\"YOU@SOMEWHERE.com\" subject=([/system identity get name\
 ] . \" Backup \" . \\\r\
 \n[/system clock get date]) file=([/system identity get name] . \"-\" . [:pick [/syst\
 em clock get date] 7 11] . \\\r\
 \n[:pick [/system clock get date] 0 3] . [:pick [/system clock get date] 4 6] . \".ba\
 ckup\");:delay 10; \\\r\
 \n/file rem [/file find name=([/system identity get name] . \"-\" . [:pick [/system c\
 lock get date] 7 11] . \\\r\
 \n[:pick [/system clock get date] 0 3] . [:pick [/system clock get date] 4 6] . \".ba\
 ckup\")]; \\\r\
 \n:log info (\"System Backup emailed at \" . [/sys cl get time] . \" \" . [/sys cl ge\
 t date])"
/system scheduler
add comment="" disabled=no interval=1w name=sched_backup_mail on-event=\
 ebackup start-date=jan/01/1970 start-time=07:30:00