Re: smtp retry when high volume

[Jim Franz <franz9000@xxxxxxxxx>]

network admin sent a note with MS TechNet link. Exchange does set a
throttle default of 20..

On Tue, Jan 3, 2017 at 8:31 AM, Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx
> wrote:

> Like with the Java issues check the DNS.  This is one of those times I tend
> to break the DNS only rule and put these addresses into the host table.
>
> Every time I've see behavior like this it has been the Exchange server.
> Once the SPF records were hosed up, but mostly it's one of the hundreds of
> check boxes in Exchange that are checked or unchecked that causes the
> problem.   I never know which one it is because I doubt the Exchange admin
> knows either.
>
> -----Original Message-----
> From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
> midrange
> Sent: Monday, January 02, 2017 11:25 PM
> To: 'Midrange Systems Technical Discussion'
> Subject: smtp retry when high volume
>
> Currently forwarding smtp to an Exchange server.
>
> Stress Test indicates either Power i or Exchange is processing 20 emails,
> and then the qzmf log shows retries and the next 20 get processed, retries,
> next 20, etc.
>
> I suspect the Exchange is doing this, but the person who set it up is not
> around. ..
>
> I don't see any parm in SMTP Attributes to account for this behavior.
>
>
>
> Occasionally may send many hundreds of emails - any recommendations (other
> than dump the Exchange server - it's already been suggested) ?
>
>
>
> SMTP Attributes has retry parms
>
>
>
> Retries by minute:               RTYMIN
>
>   Number of retries  . . . . . .                99
>
>   Time interval  . . . . . . . .                6
>
> Retries by day:                  RTYDAY
>
>   Number of retries  . . . . . .                0
>
>   Time interval  . . . . . . . .                0
>
> Retries by hour:                 RTYHOUR
>
>   Number of retries  . . . . . .                48
>
>   Time interval  . . . . . . . .                1
>
>
>
> Jim
>
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