Outlook slowness issues

Egoitz Aurrekoetxea via Info-cyrus <info-cyrus@xxxxxxxxxxxxxxxxxxxx> · Fri, 21 Oct 2016 11:25:53 +0200



    Good morning,
    

    Some of our resellers are telling us to be finding issues with
      with Outlook and our mail service. They say when Outlook is
      syncing over IMAP (either SSL/TLS or plain) sometimes 

    
    it takes ages for syncing. This just happens with Microsoft
      Outlook. I know in Outlook 2010 or 2007 you could remove the
      option of syncing whole mail and sync only headers. But 

    
    from 2013 version it enforces you to sync totally, body plus
      headers forcibly. We use Nginx as mail proxies and Cyrus IMAP as
      backend. We use versions 2.3.18 and 2.4. If I do a : 

    
    Escape character is '^]'.

      * OK IMAP4 ready

      . login ZZZZZZ UUUUUUUUU

      . OK [CAPABILITY IMAP4 IMAP4rev1 LITERAL+ ID LOGINDISABLED
      COMPRESS=DEFLATE ACL RIGHTS=kxte QUOTA MAILBOX-REFERRALS NAMESPACE
      UIDPLUS NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT
      SORT=MODSEQ THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE
      CATENATE CONDSTORE SCAN URLAUTH] User logged in

      . logout

      * BYE LOGOUT received

      . OK Completed
    

    I can see COMPRESS=DEFLATE extension is available. Do you know if
      Outlook uses it?. If it uses compression?. How do you handle this
      kind of situations with Outlook?.
    

    Thanks a lot mates,

    
    Best regards,

    
    -- 

      
        Egoitz Aurrekoetxea
        Departamento de sistemas
        944 209 470

          Parque Tecnológico. Edificio 103

          48170 Zamudio (Bizkaia)
        egoitz@xxxxxxxxxx
        www.sarenet.es
        

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