[Kolab-devel] sendmail vs smtp

[Gunnar Wrobel]

Hi Richard,

Richard Bos <ml at radoeka.nl> writes:

> On Thu, Jan 11, 2007 at 09:14:07AM +0100, Gunnar Wrobel wrote:
>> Richard Bos <ml at radoeka.nl> writes:
>> 
>> > Is there a big difference in configuring sendmail instead of smtps for sending 
>> > email?  I ask because, AFAIK horde only works with kolab when it is 
>> > configured with sendmail.  I understand that kolab's smtps should be used to 
>> > reach the smtps server, when horde runs on another system.  But when both 
>> > (horde and kolab's smtps server ) run on the same system, does it matter what 
>> > is used for sending emails?  Does the smtp(s) server perform checks, that 
>> > sendmail is e.g. not doing?
>> 
>> You certainly omit the smtpd_sender_restrictions provided in
>> /etc/postfix/main.cf. Then again Horde should be configured so that it
>> only allows authenticated users into the system. 
>> 
>> So it depends on how much you trust your horde configuration :)
>> 
>> Maybe I'll find the reason for the failure to configure Horde to use
>> smtp. I'll update the wiki then.
>
> Is it already possible to determine which project (horde/kolab) is to "blame"?
> As I can use smtps from kolab with kmail, I would blame horde.  But I guess
> that there horde users that can perfectly well use smtps, but I have
> actually no idea whether the last statement is true.  How to test?  Using
> wireshark?  That's not easy as the contents of the packages can't be checked,
> because they are scrambled...

Horde uses the PEAR-Mail package (http://pear.php.net/package/Mail)
for sending mail. This provides both a sendmail and an smtp
driver. The sending of mail happens in imp/lib/Compose.php.

Maybe that helps to track down the problems.

Cheers,

Gunnar

-- 
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