[Users] claws mail network log and SMTP timing

[Ricardo Mones]

On Mon, Apr 29, 2019 at 05:20:54PM +0200, wwp wrote:
> Hello Dave,
> 
> 
> On Mon, 29 Apr 2019 16:04:30 +0100 Dave Howorth <dave at howorth.org.uk> wrote:
[…]
> > The issue is the delay of 21 seconds and 38 second respectively shown
> > in those extracts. Whilst that delay is occurring, the claws user
> > interface is locked out, which is a bit frustrating on occasion.
> > 
> > I've asked my ISP what the cause of the delay is but haven't yet got a
> > satisfactory explanation, but in the meantime I have some questions
[…]
> > So the delay is
> > definitely claws waiting for the SMTP server to respond, not the SMTP
> > server waiting for claws to send something?
> 
> I think so, even if I've never such delay. Are you sending huge emails
> w/ tons of recipiends and attachments? They parse the email,
> potentially "long" studies (and usually, recipients are validated
> before that step, which can take a looong time too, could take 1-3 sec
> per recipient as I could see here).

Could also be the ISP is applying some throttling mechanism to
discourage potential internal spammers.

regards,
-- 
  Ricardo Mones 
  ~
  The three principal virtues of a programmer are Laziness, 
  Impatience, and Hubris.                                    man perl