Re: [Dovecot] TLS / SSL login with Thunderbird very slow ?
On Sat, 24 Jan 2009, Marko Weber | Salondigital.de wrote: Hi , i use dovecoz 1.1.4 with TLS / SSL only. i takes up to ~10 seconds that Thunderbird login and send the mail. send the mail has nothing to do with Dovecot, but with the SMTP server, such as Exim (which may try ident queries that your client possibly firewalls) or Postfix. why is this so slow? any chance to speed up this ? Figure out what takes so long (Wireshark or tcpdump) - do not only log Dovecot queries. -- Matthias Andree
Re: [Dovecot] TLS / SSL login with Thunderbird very slow ?
On S 24 Jan, 2009, at 20:50 , Matthias Andree wrote: On Sat, 24 Jan 2009, Marko Weber | Salondigital.de wrote: Hi , i use dovecoz 1.1.4 with TLS / SSL only. i takes up to ~10 seconds that Thunderbird login and send the mail. send the mail has nothing to do with Dovecot, but with the SMTP server, such as Exim (which may try ident queries that your client possibly firewalls) or Postfix. true, but if Marko's Thunderbird is configured to save sent messages on the IMAP server, the sending process will complete, from the client point of view, when the message has been stored on the IMAP server. So the change in Dovecot might cause a perceived slowdown. Also, with other IMAP server (no idea if this applies to Dovecot) you could even have the sending process start by copying the message in a particular outbox without direct interaction between the MUA and the SMTP server. Giuliano
Re: [Dovecot] TLS / SSL login with Thunderbird very slow ?
Matthias Andree a écrit : On Sat, 24 Jan 2009, Marko Weber | Salondigital.de wrote: Hi , i use dovecoz 1.1.4 with TLS / SSL only. i takes up to ~10 seconds that Thunderbird login and send the mail. send the mail has nothing to do with Dovecot, but with the SMTP server, such as Exim (which may try ident queries that your client possibly firewalls) or Postfix. including reverse dns lookup problems. why is this so slow? any chance to speed up this ? Figure out what takes so long (Wireshark or tcpdump) - do not only log Dovecot queries.
Re: [Dovecot] TLS / SSL login with Thunderbird very slow ?
On 1/24/2009 2:58 PM, Giuliano Gavazzi wrote: true, but if Marko's Thunderbird is configured to save sent messages on the IMAP server, the sending process will complete, from the client point of view, when the message has been stored on the IMAP server. So the change in Dovecot might cause a perceived slowdown. He didn't say anything about saving to Sent folder, he said it takes up to ~10 secs for TBird to LOGIN and send... TBird saves to sent folder AFTER it send the message. Also, with other IMAP server (no idea if this applies to Dovecot) you could even have the sending process start by copying the message in a particular outbox without direct interaction between the MUA and the SMTP server. This only applies to IMAP servers that have also an SMTP component, like courier - but these components are separate. As Matthias said, dovecot is NOT an smtp server and has nothing to do with the sending process (except for use of dovecot_sasl if it is used)... This is not a dovecot problem... -- Best regards, Charles
