why do I need sendmail

[Zhang Weiwu]

 Hello. Just to confirm: if I use dial-up connection on my laptop and use 
the ISP's smtp server to send emails, I don't really need sendmail's most 
functions, so it is safe to set 'sendmail="NO"' in rc.conf without loosing 
local emails like "weekly run output", is it?

I was told nowadays many spam filters only accept smtp server's email when 
the smtp server is in the same domain as the sender's email address. So it 
seems I better not use the sendmail on my laptop to send emails in case 
they are filtered. Should I? Thank you.

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