RE: postfix maximum load capacities by official document

2018-05-01 Thread Fazzina, Angelo
and Virus Prevention Mass Mailing G Suite/Gmail ang...@uconn.edu University of Connecticut,  ITS, SSG, Server Systems 860-486-9075 -Original Message- From: owner-postfix-us...@postfix.org On Behalf Of Viktor Dukhovni Sent: Tuesday, May 1, 2018 1:23 PM To: Postfix users Subject: Re: postfix ma

Re: postfix maximum load capacities by official document

2018-05-01 Thread Viktor Dukhovni
> On May 1, 2018, at 12:50 PM, Fazzina, Angelo wrote: > > Yes, I was guessing, must have be active and not incoming queue. > Thanks for the explanation of what I was seeing. I hope it is clear that the active queue size limits don't determine the total number of messages Postfix can accept. C

RE: postfix maximum load capacities by official document

2018-05-01 Thread Fazzina, Angelo
860-486-9075 -Original Message- From: owner-postfix-us...@postfix.org On Behalf Of Viktor Dukhovni Sent: Tuesday, May 1, 2018 12:38 PM To: Postfix users Subject: Re: postfix maximum load capacities by official document > On May 1, 2018, at 10:38 AM, Fazzina, Angelo wrote: >

Re: postfix maximum load capacities by official document

2018-05-01 Thread Viktor Dukhovni
> On May 1, 2018, at 10:38 AM, Fazzina, Angelo wrote: > > Hi, okay that makes sense. > > I guess my next question is what is going on when we get a bulk mail campaign > or spam attack and I see the /var/spool/postfix/incoming > Directory only allow 20,000 files in there ? It is the "active"

Re: postfix maximum load capacities by official document

2018-05-01 Thread Wietse Venema
Fazzina, Angelo: > Hi, okay that makes sense. > > I guess my next question is what is going on when we get a bulk > mail campaign or spam attack and I see the /var/spool/postfix/incoming > Directory only allow 20,000 files in there ? 20,000 FILES? Where did you get that idea from? Postfix queues

RE: postfix maximum load capacities by official document

2018-05-01 Thread Fazzina, Angelo
G Suite/Gmail ang...@uconn.edu University of Connecticut,  ITS, SSG, Server Systems 860-486-9075 -Original Message- From: owner-postfix-us...@postfix.org On Behalf Of Wietse Venema Sent: Tuesday, May 1, 2018 10:27 AM To: Postfix users Subject: Re: postfix maximum load capacities by

Re: postfix maximum load capacities by official document

2018-05-01 Thread Wietse Venema
Fazzina, Angelo: > Hi again, I guess I don't have a clear understanding of this in the man page ? > > Ran command > [root@mta1 ~]# man 5 postconf > > default_recipient_limit (default: 2) > > The default per-transport upper limit on the number of IN-MEMORY > recipients. The Postfix mai

RE: postfix maximum load capacities by official document

2018-05-01 Thread Fazzina, Angelo
iktor Dukhovni Sent: Monday, April 30, 2018 6:12 PM To: Postfix users Subject: Re: postfix maximum load capacities by official document > On Apr 30, 2018, at 5:02 PM, Fazzina, Angelo wrote: > > B. Our queues only hold 20,000 emails at a time What is the reason for that? Postfix has no

Re: postfix maximum load capacities by official document

2018-04-30 Thread Viktor Dukhovni
> On Apr 30, 2018, at 5:02 PM, Fazzina, Angelo wrote: > > B. Our queues only hold 20,000 emails at a time What is the reason for that? Postfix has no such built-in limit... -- Viktor.

RE: postfix maximum load capacities by official document

2018-04-30 Thread Fazzina, Angelo
owner-postfix-us...@postfix.org On Behalf Of si5 Sent: Friday, April 27, 2018 11:40 AM To: postfix-users@postfix.org Subject: Re: postfix maximum load capacities by official document Wietse Venema wrote > si5: >> >>May I suggest: you test the modified code and the unmodified code

Re: postfix maximum load capacities by official document

2018-04-27 Thread si5
Wietse Venema wrote > si5: >> >>May I suggest: you test the modified code and the unmodified code >> >>and then try to explain why one is better than the other. >> >> >>Wietse >> >> Yes we have tested unmodified code with spirent(200,000 mails per 10 >> minutes) and drops were very less.

Re: postfix maximum load capacities by official document

2018-04-27 Thread si5
> On Apr 27, 2018, at 7:48 AM, si5 wrote: > > Yeah, it is correct. But actually we don't want a precise prediction. We > just want like ---> after the development of any server, some maximum load > statistics must be made. And we want to make an analogous statistics for > our >

Re: postfix maximum load capacities by official document

2018-04-27 Thread si5
On 27 Apr 2018, at 2:50, si5 wrote: > We want to find an official document for postfix which will tell the > maximum > load capacities for postfix mail server. We tried to search for it but > we > could only find performance test research papers. > > Actually we have made few changes in postfix

Re: postfix maximum load capacities by official document

2018-04-27 Thread Wietse Venema
si5: > >>May I suggest: you test the modified code and the unmodified code > >>and then try to explain why one is better than the other. > > >>Wietse > > Yes we have tested unmodified code with spirent(200,000 mails per 10 > minutes) and drops were very less. That's 300/s, a performance

Re: postfix maximum load capacities by official document

2018-04-27 Thread Viktor Dukhovni
> On Apr 27, 2018, at 7:48 AM, si5 wrote: > > Yeah, it is correct. But actually we don't want a precise prediction. We > just want like ---> after the development of any server, some maximum load > statistics must be made. And we want to make an analogous statistics for our > case. There is no

Re: postfix maximum load capacities by official document

2018-04-27 Thread Bill Cole
On 27 Apr 2018, at 2:50, si5 wrote: We want to find an official document for postfix which will tell the maximum load capacities for postfix mail server. We tried to search for it but we could only find performance test research papers. Actually we have made few changes in postfix source code

Re: postfix maximum load capacities by official document

2018-04-27 Thread si5
Wietse: >>si5: > Hi > > I posted one query similar to the above but I didn't got any satisfactory > replies. The link for the query is provided below:- > http://postfix.1071664.n5.nabble.com/benchmark-for-postfix-td95966.html > > We want to find an official document for postfix which will tell the

Re: postfix maximum load capacities by official document

2018-04-27 Thread Wietse Venema
si5: > Hi > > I posted one query similar to the above but I didn't got any satisfactory > replies. The link for the query is provided below:- > http://postfix.1071664.n5.nabble.com/benchmark-for-postfix-td95966.html > > We want to find an official document for postfix which will tell the maximum