Re: response time to the client

2022-10-12 Thread Wietse Venema
Viktor Dukhovni: > On Wed, Oct 12, 2022 at 06:39:58PM +0200, Matus UHLAR - fantomas wrote: > > > >Will it be 2s or something between 2s and 15s? > > >If it's 'between', can we somehow tell it from the mail service side? > > > > > >00:00 postfix/smtpd ... client= > > >00:02 postfix/qmgr ... (qu

Re: response time to the client

2022-10-12 Thread Viktor Dukhovni
On Wed, Oct 12, 2022 at 06:39:58PM +0200, Matus UHLAR - fantomas wrote: > >Will it be 2s or something between 2s and 15s? > >If it's 'between', can we somehow tell it from the mail service side? > > > >00:00 postfix/smtpd ... client= > >00:02 postfix/qmgr ... (queue active) > >[...] > >00:14 p

Re: response time to the client

2022-10-12 Thread Viktor Dukhovni
On Wed, Oct 12, 2022 at 12:36:21PM +0200, juan smitt wrote: > The clients are very sensitive to the mail service's response time (we > can't do anything with that). If they're that latency sensitive, they should switch from SMTP to HTTP POST. The SMTP is not an instant messaging protocol, and is

Re: response time to the client

2022-10-12 Thread Matus UHLAR - fantomas
On 12.10.22 17:41, juan smitt wrote: I think my question wasn't clear enough. The client (a java application) is also measuring the mail delivery time from its point of view. According to this imaginary log, what result will the client (most probably) get? Will it be 2s or something between 2s

Re: response time to the client

2022-10-12 Thread juan smitt
Hi Wietse and Matus, Thanks for your reply. I think my question wasn't clear enough. The client (a java application) is also measuring the mail delivery time from its point of view. According to this imaginary log, what result will the client (most probably) get? Will it be 2s or something bet

Re: response time to the client

2022-10-12 Thread Matus UHLAR - fantomas
On 12.10.22 12:36, juan smitt wrote: The clients are very sensitive to the mail service's response time (we can't do anything with that). I have ancountered this issue too. According to this example, is it true that the client considers the email delivered when we see the "(queue active)" ent

Re: response time to the client

2022-10-12 Thread Wietse Venema
juan smitt: > Hi, > > > The clients are very sensitive to the mail service's response time (we > can't do anything with that). The response time from what? Here is an example conversation: Client connects to server (If DNS is broken, there may be some delay) TCP handshake (If

Re: response time to the client

2022-10-12 Thread Wietse Venema
juan smitt: > Hi, > > > The clients are very sensitive to the mail service's response time (we > can't do anything with that). I suggest that you look at the delays= logging. This breaks down the time that a message spends inside Postfix. https://www.postfix.org/postconf.5.html#delay_logging_re

response time to the client

2022-10-12 Thread juan smitt
Hi, The clients are very sensitive to the mail service's response time (we can't do anything with that). According to this example, is it true that the client considers the email delivered when we see the "(queue active)" entry in the log whatever happens to the mail later? Can we calculate the