Ashwin Muni wrote:
>
> Can anybody help me solving this issue. I have a major setback with
> sendgin
> mails with yahoo. Is there any parameter or any rule to be followed for
> sending mails to yahoo and hotmail as they normally deffer our mails quite
> oftenly.
>
> ==============================================
> Mar 24 12:40:18 server1 postfix/error[10100]: 61BF3CF526: to=<
> sandeep.ash...@yahoo.co.in>, relay=none, delay=234, delays=2.5/232/0/0,
> dsn=4.4.2, status=deferred (delivery temporarily suspended: conversation
> with in32.mxauth.yahoo.com[202.86.5.24] timed out while receiving the
> initial server greeting)
>
> Mar 24 12:44:32 suk1 postfix/error[13232]: 92ACACF691: to=<
> doulasdatj...@yahoo.co.in>, relay=none, delay=0.42, delays=0.42/0/0/0,
> dsn=4.4.2, status=deferred (delivery temporarily suspended: conversation
> with in32.mxauth.yahoo.com[202.86.5.24] timed out while receiving the
> initial server greeting)
>
> Mar 24 12:44:38 suk1 postfix/error[13232]: 4D5C0CF689: to=<
> pree...@yahoo.co.in>, relay=none, delay=1.3, delays=1.3/0/0/0, dsn=4.4.2,
> status=deferred (delivery temporarily suspended: conversation with
> in32.mxauth.yahoo.com[202.86.5.24] timed out while receiving the initial
> server greeting)
>
> Mar 24 12:44:43 suk1 postfix/error[13232]: 41AC1CF688:
> to=<pr...@yahoo.co.in>,
> relay=none, delay=1.8, delays=1.8/0/0/0, dsn=4.4.2, status=deferred
> (delivery temporarily suspended: conversation with
> in32.mxauth.yahoo.com[202.86.5.24]
> timed out while receiving the initial server greeting)
>
> Mar 24 12:44:45 suk1 postfix/error[13232]: E5A37CF6A2: to=<
> pri...@yahoo.co.in>, relay=none, delay=1.3, delays=1.3/0/0/0, dsn=4.4.2,
> status=deferred (delivery temporarily suspended: conversation with
> in32.mxauth.yahoo.com[202.86.5.24] timed out while receiving the initial
> server greeting)
>
> Mar 24 12:44:48 suk1 postfix/error[13232]: 948E1CF621: to=<
> prsd_ve...@yahoo.co.in>, relay=none, delay=1.8, delays=1.8/0/0/0,
> dsn=4.4.2,
> status=deferred (delivery temporarily suspended: conversation with
> in32.mxauth.yahoo.com[202.86.5.24] timed out while receiving the initial
> server greeting)
>
> =================================================================
> Also i dont know why they defer our server mails
>
> Mar 24 12:44:47 suk1 postfix/smtp[10336]: 6B2F4CF5AD: host
> a.mx.mail.yahoo.com[67.195.168.31] said: 421 Message temporarily deferred
> -
> 4.16.51. Please refer to
> http://help.yahoo.com/help/us/mail/defer/defer-06.html (in reply to end of
> DATA command)
>
>
> --
> Ashwin R.
>
>
Hi, I asked this question before, and you may refer to the following posts
http://www.nabble.com/Create-Custom-Mail-Queue-td21577217.html#a21577217
http://www.nabble.com/Defer-Retry-td21722888.html#a21722888
In short, the principle of the setting is to delay the delivery from your
Postfix to yahoo.
In which rate yahoo can accept.
Basically, you may take the following steps as reference,
1. Create a seperate mail for the destination is yahoo, let's name it 'slow'
queue
(You may search in this mailling list too, someone has asked before)
2. After Postfix 2.5, set slow_destination_rate_delay for certain period of
time for 'slow'
In my case, I set to 300s. That's mean 5 mins per delivery to yahoo
3. Set slow_destination_concurrency_limit & slow_destination_recipient_limit
for 'slow'
In may case, I set
slow_destination_concurrency_limit = 2
slow_destination_recipient_limit = 10
4. In Postfix 2.5.5 or earlier, disable defer retry failure giving up limit
for 'slow'.
I my case, I set
slow_concurrency_failed_cohort_limit =
$slow_destination_concurrency_failed_cohort_limit
slow_destination_concurrency_failed_cohort_limit = 0
>From the above, the 'slow' queue delivers 10 mails per 5 mins to Yahoo.
I my case, I can successfully delivery around 1700 message to Yahoo.com.hk
with no defer but need to be queued up for 1 day in my server.
Hope it helps.
Best,
Jacky
--
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