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Remy Zandwijk | 1 Mar 2005 20:57
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No 'from' in messages

Hi all,

Over the weekend, we've migrated our old mail environment to Sendmail and
Dovecot:

	- Dovecot 1.0 stable
	- Sendmail 8.13.3
	- Procmail 3.22

Procmail is MDA for Sendmail and it delivers mail to Maildir boxes. Email 
clients
like Eudora, Thunderbird, Outlook and mutt are working OK. When using Outlook
Express and Pine however, in the message list the 'from' or 'sender' field 
is empty.
This means users of these programs cannot see who did send the mail to them.

When running Dovecot 0.99 in a early test period, this problem did not occur.

Question: Did anyone see this behaviour before and how to fix it?

Best regards,
Remy Zandwijk
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Remy Zandwijk | 2 Mar 2005 12:15
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Several issues with 1.0-stable

All,

We have Dovecot 1.0-stable deployed in our 3000 users environment as of
last weekend. Up untill now, I have 3 issues:

-	When stopping Dovecot with: kill -TERM `cat /var/run/dovecot/master.pid`,
	the 'dovecot' process itself dies, the 'imap-login' processes die, but the 
'imap'
	processes (there are a lot of them) don't die, but become a zombie. I 
think the
	way I stop Dovecot is the way to do it. The zombies can be killed by doing a
	'pkill -9 imap', but that's not quite elegant.

-	Dovecot is running in a Solaris 9 environment. It turned out that Dovecot 
crashes
	when more then 256 filedescriptors are being used. This is rather normal, 
since
	Solaris only support 256 descriptors per 32-bit process. After starting 
Dovecot, I
	do a 'plimit -n 8192, 8192 `cat /var/run/dovecot/master.pid`, which allows 
Dovecot
	to have 8192 filedescriptors. Timo, is it possible to introduce a config 
file option to
	configure the number of descriptors?

-	Pine and Outlook users don't see the adresses or names of the people who sent
	them email. In my email yesterday, I said I remembered that tests with 
Dovecot 0.99
	showed no problems. Today, I installed both Dovecot 0.99 and 1.0-stable on 
my test
(Continue reading)

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Barry Kwok | 2 Mar 2005 15:10

selective POP3 user

I want to know if it is possible to limit some users to use POP3 service only in a server running BOTH  IMAP and
POP3 service. In other words, some users can choose IMAP or POP3 and some users can only use POP3.

Barry
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Doug Eubanks | 2 Mar 2005 15:39

Still having problems deleting messages through IMAP

Hello,

I am using SquirrelMail with the 1.0 releases, and I have even backed up to the latest stable release based on
1.0.  I am using MailDirs.

When I delete a message, the message still shows up in the message list until either I log out and back in or a
new message arrives in that folder.

Any ideas?
Thanks

Doug Eubanks
doug <at> simflex.com

The speed of time is one-second per second.
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Keith Edmunds | 2 Mar 2005 15:41

Re: selective POP3 user

On Wed, 2 Mar 2005 22:10:31 +0800
"Barry Kwok" <barrykwok <at> spymac.com> wrote:

> I want to know if it is possible to limit some users to use POP3 service
> only in a server running BOTH  IMAP and POP3 service. In other words,
> some users can choose IMAP or POP3 and some users can only use POP3.

I don't know if Dovecot can do this, but you could you block ports 143
and 993 to those users?

Keith
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Josh Burley | 3 Mar 2005 03:04
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hanging imap... and users getting other users' emails!

Hi All,

    We recently upgraded from UW (boy, starting to sound like a broken 
record, eh?)...

    Two problems:

    1. Every two or three days users are unable to access their email 
via IMAP. It seems that it's because dovecot-auth has hung. Has anyone 
seen anything like this? 

    2. (the really serious one)... one of our users, "angie" has twice 
had her Outlook download other users' email! Once as another user, 
"helene", and just now as "mkarlin". The first time she got 800 of 
helene's email, and just now, about 30 of mkarlin's.... from our log, I 
noticed:

Mar  2 17:27:10 core imap-login: Login: mkarlin [::ffff:128.195.131.2]
Mar  2 17:27:10 core imap-login: Login: mkarlin [::ffff:128.195.131.2]
Mar  2 17:27:11 core pop3-login: Login: angie [::ffff:68.231.223.128]
Mar  2 17:27:11 core imap-login: Login: mkarlin [::ffff:128.195.131.2]
Mar  2 17:27:11 core imap-login: Login: mkarlin [::ffff:128.195.131.2]

Our server setup:

Fedora Core 3. dovecot-0.99.13. OpenLDAP, and dovecot auth'ing off PAM 
(mostly default setup, using Mailbox, and mail/ as a subdir).

Any ideas? Any more debug info I can supply?
(Continue reading)

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Dominic Marks | 3 Mar 2005 13:24
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Re: hanging imap... and users getting other users' emails!

Josh Burley said:
> Hi All,
>
>     We recently upgraded from UW (boy, starting to sound like a broken
> record, eh?)...
>
>     Two problems:
>
>     1. Every two or three days users are unable to access their email
> via IMAP. It seems that it's because dovecot-auth has hung. Has anyone
> seen anything like this?

Ive dont believe I've  seen this and I've had dovecot running for months
on FreeBSD with pam authentication. Perhaps that indicates it could be a
Fedora thing?

>     2. (the really serious one)... one of our users, "angie" has twice
> had her Outlook download other users' email! Once as another user,
> "helene", and just now as "mkarlin". The first time she got 800 of
> helene's email, and just now, about 30 of mkarlin's.... from our log, I
> noticed:
>

Never seen this either. But I use maildir, so that could be related too, I
guess.

> Mar  2 17:27:10 core imap-login: Login: mkarlin [::ffff:128.195.131.2]
> Mar  2 17:27:10 core imap-login: Login: mkarlin [::ffff:128.195.131.2]
> Mar  2 17:27:11 core pop3-login: Login: angie [::ffff:68.231.223.128]
> Mar  2 17:27:11 core imap-login: Login: mkarlin [::ffff:128.195.131.2]
(Continue reading)

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Peter Franck | 3 Mar 2005 13:55
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Dovecot started by inetd

Is anyone else starting dovecot by inetd on the list?
I'm unable to get it running, stupid me.
I need help by someone more experienced.

Peter
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Dominic Marks | 3 Mar 2005 14:00
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Re: Dovecot started by inetd

Peter Franck said:
> Is anyone else starting dovecot by inetd on the list?
> I'm unable to get it running, stupid me.
> I need help by someone more experienced.

I'm curious,  why would you want to do this?

> Peter
>

--
Dominic
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Josh Burley | 3 Mar 2005 17:47
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Re: hanging imap... and users getting other users' emails!


>>    1. Every two or three days users are unable to access their email
>>via IMAP. It seems that it's because dovecot-auth has hung. Has anyone
>>seen anything like this?
> 
> 
> Ive dont believe I've  seen this and I've had dovecot running for months
> on FreeBSD with pam authentication. Perhaps that indicates it could be a
> Fedora thing?

Yep, a strange one, eh? I wonder what kind of debugging I can do to 
figure it out. I've switched from PAM to the direct LDAP authentication, 
in an attempt to stabilize mail access.

>>    2. (the really serious one)... one of our users, "angie" has twice
>>had her Outlook download other users' email! Once as another user,
>>"helene", and just now as "mkarlin". The first time she got 800 of
>>helene's email, and just now, about 30 of mkarlin's.... from our log, I
>>noticed:
>>
>
> Never seen this either. But I use maildir, so that could be related too, I
> guess.
>

Well, it really seems like perhaps the UID's are getting confused. The 
format of the box (in my mind) should matter as much... it'd be one 
thing if Angie was just receiving her mail in a corrupt manner... but 
she's actually getting OTHER people's mail. Notice that she and mkarlin 
accessed at the exact same time, via two different methods. Sounds like
(Continue reading)

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Gmane