why do I need sendmail

2003-12-20 Thread 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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Re: why do I need sendmail

2003-12-20 Thread Cybertime Hostmaster
One thing to note in Matthew's reply:

 that.  However, automatic e-mails from your system -- usually from
 the periodic(8) scripts -- do require sendmail(8) or equivalent.

Two words at the end, or equivalent.

You can run Courier, Exim, Mini Sendmail, Nullmailer, Postfix, Qmail,
ZMailer, so on and so forth.

All have advantages and disadvantages.  Personally, I use Postfix, but
that is because for my needs it is better.

If you have trouble reducing sendmail down to your needs, look at the
documentation on the others.  One of them might suit you better.

Your mileage may vary, so on and so forth.

--Eric

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Re: why do I need sendmail

2003-12-20 Thread Chris Pressey
On Sat, 20 Dec 2003 12:15:49 -0800
Cybertime Hostmaster [EMAIL PROTECTED] wrote:

 One thing to note in Matthew's reply:
 
  that.  However, automatic e-mails from your system -- usually from
  the periodic(8) scripts -- do require sendmail(8) or equivalent.
 
 Two words at the end, or equivalent.
 
 You can run Courier, Exim, Mini Sendmail, Nullmailer, Postfix, Qmail,
 ZMailer, so on and so forth.
 
 All have advantages and disadvantages.  Personally, I use Postfix, but
 that is because for my needs it is better.
 
 If you have trouble reducing sendmail down to your needs, look at the
 documentation on the others.  One of them might suit you better.
 
 Your mileage may vary, so on and so forth.

FWIW, you can also cause periodic(8) to log to a file instead of sending
mail, by adding lines like the following to /etc/periodic.conf:

  daily_output=/var/log/dialy.log
  weekly_output=/var/log/weekly.log
  monthly_output=/var/log/monthly.log

Not sure if this eliminates the need for a local mailer, but it's sure
to be the first step down that road. I can't think of anything else that
sends automated e-mails, offhand, but whatever does can probably be
configured to write its output to a file instead, in a similar way.

-Chris
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