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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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux)
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