> On 12/17/2012 08:02 PM, Rajesh M wrote: >> hi >> >> i run an email server set up with large number of users ie around 5000 >> with lots of data - around 3.5 tb >> >> i use qmail pop3 and dovecot imap. >> >> the issue i face is that many users use both webmail and pop3 >> >> and they store emails in their inbox >> >> now many times when they download via pop3 their entire inbox starts >> downloading again. >> >> also due to numerous such pop3 connections the server sometimes gets >> loaded >> >> also in one incidence i found over 50 pop3 sessions of the same user - i >> had to manually kill these. >> >> question 1 >> -- i thought that pop3 protocol means only one login at a time --- how >> does qmail pop3 allow multiple logins ? >> >> question 2 >> is there a way to restrict email download by various pop3 clients to >> only >> new mails or emails for the last 3 days. >> >> i know a few other companies who do that -- they allow download of >> emails >> only upto the last 15 days. >> >> is there any similar solution with qmailtoaster ? >> >> rajesh >> >> --------------------------------------------------------------------- > > To begin with, I don't know the answers to your specific questions. It > sounds as though qmail-pop3d is having a problem keeping track of what's > been downloaded. > > I would recommend switching to dovecot for pop3. While I don't know if > dovecot's pop3 can restrict based on a number of days, I expect that it > would be much more reliable in its operation. I think that switching > from qmail-pop3d to dovecot pop3 will be pretty straight forward, > especially since you're already running dovecot for IMAP. > > Someone else here might have more insight into this. Anyone? > > FWIW, QMT will be using dovecot for imap and pop3 in a future release, > but I can't say when to expect this to happen. By migrating to dovecot > now, you'll be ahead of the game. > > -- > -Eric 'shubes' > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
> On 12/17/2012 08:02 PM, Rajesh M wrote: >> hi >> >> i run an email server set up with large number of users ie around 5000 >> with lots of data - around 3.5 tb >> >> i use qmail pop3 and dovecot imap. >> >> the issue i face is that many users use both webmail and pop3 >> >> and they store emails in their inbox >> >> now many times when they download via pop3 their entire inbox starts >> downloading again. >> >> also due to numerous such pop3 connections the server sometimes gets >> loaded >> >> also in one incidence i found over 50 pop3 sessions of the same user - i >> had to manually kill these. >> >> question 1 >> -- i thought that pop3 protocol means only one login at a time --- how >> does qmail pop3 allow multiple logins ? >> >> question 2 >> is there a way to restrict email download by various pop3 clients to >> only >> new mails or emails for the last 3 days. >> >> i know a few other companies who do that -- they allow download of >> emails >> only upto the last 15 days. >> >> is there any similar solution with qmailtoaster ? >> >> rajesh >> >> --------------------------------------------------------------------- > > To begin with, I don't know the answers to your specific questions. It > sounds as though qmail-pop3d is having a problem keeping track of what's > been downloaded. > > I would recommend switching to dovecot for pop3. While I don't know if > dovecot's pop3 can restrict based on a number of days, I expect that it > would be much more reliable in its operation. I think that switching > from qmail-pop3d to dovecot pop3 will be pretty straight forward, > especially since you're already running dovecot for IMAP. > > Someone else here might have more insight into this. Anyone? > > FWIW, QMT will be using dovecot for imap and pop3 in a future release, > but I can't say when to expect this to happen. By migrating to dovecot > now, you'll be ahead of the game. > > -- > -Eric 'shubes' > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > eric if i change over to dovecot will all the emails start downloading once again in outlook / outlook express ? i am facing quite a bit of email delivery issues to the local email ids which should normally be the fastest. my client sends a lot of internal emails using mailing lists. qmail randomly delays sending of email to local recepients. even using qmhandle -a works but not effective enough mails collect in pre-processes and keep increasing. [root@ns1 ~]# perl qmhandlenew.pl -s Total messages: 2710 Messages with local recipients: 1809 Messages with remote recipients: 5 Messages with bounces: 4 Messages in preprocess: 898 i have repaired the queue, no errors or any issues. simply cant figure out the reason for the issue server is constantly under load of over 12 and goes as high as over 100 rajesh --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
