please help!! Gmail mailing config

this is my config in 3.30
/tool e-mail
set from=“” password=xxxxxxxxx server=74.125.43.109:587
username=xxxxxx@gmail.com
/system script
add name=dailybackup policy=
ftp,reboot,read,write,policy,test,winbox,password,sensitive source=“/expor
t file=([/system identity get name] . "-" . \\r
\n[:pick [/system clock get date] 7 11] . [:pick [/system clock get date]
0 3] . [:pick [/system clock get date] 4 6]);”
add name=dailymail policy=
ftp,reboot,read,write,policy,test,winbox,password,sniff,sensitive source="
/tool e-mail send to=xxxx.xx@gmail.com subject="$[/system identity get
name] backup" body="$[/system clock get date] $[/system clock get time
] configuration file" file=([/system identity get name] . "-" . [:pick
[/system clock get date] 7 11] . \\r
\n[:pick [/system clock get date] 0 3] . [:pick [/system clock get date] 4
_6] . ".rsc");"

but i cant run this in MT 4.17
& the error message is - Error sending email: invalid FROM address

try

/tool e-mail set from="\"<Gateway>\" <xxxxxx@gmail.com>"

same message
error message is - Error sending email: invalid FROM address

From needs to be full email address not just your gateways name.

Try foo@your domain.com