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On Wed, 30 Jan 2013, Juan Cifo Servera wrote:
I have a dovecot installed and many users could login via IMAP over SSL (40
users at same time aprox).
Users could have "Check mail every X time" enabled in their client
(Thunderbird or K-9 mail) - Is this required feature? I noted that if I
disable it I still getting news mails without having to check for new mails
manually - .
That depends on the client, they can IDLE to wait for new mail. That
requires one open connection per checked mail folder.
I noted that dovecot is creating a lot of process (dovecot/imap and
dovecot/imap-login) and is requiring more and more RAM.
I think that every login starts a process but never is endend.
The processes vanisch if the client terminates the connection.
Is that normal?
Yes.
Details:
You could try decreasing conf.d/20-imap.conf:
# Maximum number of IMAP connections allowed for a user from each IP
address.
# NOTE: The username is compared case-sensitively.
#mail_max_userip_connections = 10
- --
Steffen Kaiser
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