/etc/resolv.conf and sendmail

[Kostas Sfakiotakis]

Greetings James,

James Wilkinson wrote:
> Philippe wrote:
> 
>>So I have an idea. As I am on a dialup connection, when sendmail is
>>launched, I still don't have any DNS set up (they come from my ISP). So
>>could it be the cause of my problem ?
>>
>>What I can see, but not sure 100%, is after being connected, if I
>>restart sendmail, or if I flush the queue, all the next mails, even
>>hours after, will be sent correctly.
> 
> 
> That sounds right. When I was on dial-up, I put
> sendmail -q
> into /etc/ppp/ip-up.local (you may have to create this file and make it
> executable). It's a good place to put fetchmail, too.
> 
> By default, Sendmail will keep messages for up to five days, waiting for
> a chance to send them. But it will send warning messages after only four
> hours. You may want to modify sendmail's configuration files to lengthen
> either or both these intervals.

 From my sendmail.mc

define(`confTO_QUEUEWARN', `4h')dnl
define(`confTO_QUEUERETURN', `5d')dnl

Although it is kind of clear , which is which , the first one
is for the queue warnings and the second one is for how long
mails remain on the queue .


> Unfortunately, I don't have sendmail installed now (I'm on postfix), so
> I can't guide you throught the exact changes needed to the appropriate
> m4 files.

It is sendmail.mc that needs to be modified.  And then

make -C /etc/mail will pass the modifications to sendmail.cf and
then

#service sendmail restart

will do the magic


> HTH,
> 
> James.

Regards,
  Kostas