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From: "Delaporte Frederic" <fdelapor@...>
Date: 2/16/2011 3:29:48 AM
Subject: AspNetMX, grylisting support
Hello,
AspNetMX reports mail adresses from domain using greylisting as invalid. Though trying them "some time" later reports them as valid.
IMHO, AspNetMX should not tell such email adresses are invalid at first, but should state that verification cannot occurs right now due to greylisting processing on MX server.

Example log of such a greylisting, stating to try again 6 minute laters (some other greylisting does not tell when to retry) :

[ 03:21:16.531 ]---- aspNetMX 2.0.3.16 [Wednesday, February 16, 2011] -----
[ 03:21:16.531 ] -- Validating abc@test.com to MXValidateLevel.Mailbox level. --
[ 03:21:16.531 ] -- Checking Email Address abc@test.com Syntax --
[ 03:21:16.531 ]The match was True
[ 03:21:16.531 ] -- Done Checking Email Address Syntax --
[ 03:21:16.531 ] -- Checking to see if abc@test.com is in the list of BadEmailAddresses. --
[ 03:21:16.531 ] -- abc@test.com was not found in the list of BadEmailAddresses --
[ 03:21:16.531 ] -- Extracting Domain Name from abc@test.com --
[ 03:21:16.531 ]Domain Name: test.com
[ 03:21:16.531 ] -- Done Extracting Domain Name from abc@test.com --
[ 03:21:16.531 ] -- Checking to see if test.com is in the list of BadDomains --
[ 03:21:16.531 ] -- test.com was not found in the list of BadDomains --
[ 03:21:16.531 ] -- Checking to see if test.com is in the list of KnownDomains --
[ 03:21:16.531 ] -- test.com was not found in the list of KnownDomains --
[ 03:21:16.531 ] -- Checking to see if test.com is in the list of MailboxDomains --
[ 03:21:16.531 ] -- test.com was not found in the list of MailboxDomains --
[ 03:21:16.531 ] -- Checking Domain Name and MX Records --
[ 03:21:16.531 ]About to query for test.com
[ 03:21:16.531 ]Converting server (64.102.255.44) to IPAddress.
[ 03:21:16.531 ]Connecting to 64.102.255.44
[ 03:21:16.625 ]Recvd 153 bytes from 64.102.255.44
[ 03:21:16.625 ]Successfully recvd data from 64.102.255.44
[ 03:21:16.625 ] -- MX Records Found --
[ 03:21:16.625 ] -- Sorting MX Records --
[ 03:21:16.625 ] -- MX Records sorted to the following sequence. --
[ 03:21:16.625 ] -- 10:MX2.test.com --
[ 03:21:16.625 ] -- 10:MX1.test.com --
[ 03:21:16.625 ] -- Attempting SMTP Connection and Mailbox Verification to MX2.test.com --
[ 03:21:16.625 ]No proxy used.
[ 03:21:16.625 ]Server [MX2.test.com] is not an IP address. Performing DNS resolution.
[ 03:21:16.625 ]Server [MX2.test.com] resolved to IP address 80.124.163.3
[ 03:21:17.015 ]220 mx-a.gicm.net ESMTP GICM; Wed, 16 Feb 2011 12:14:24 +0100
[ 03:21:17.015 ]HELO mail.advancedintellect.com
[ 03:21:17.218 ]250 mx-a.gicm.net Hello www.systemnetmail.com [209.173.247.71], pleased to meet you
[ 03:21:17.218 ]MAIL FROM:<validatetest@advancedintellect.com>
[ 03:21:17.406 ]250 2.1.0 <validatetest@advancedintellect.com>... Sender ok
[ 03:21:17.406 ]RCPT TO:<abc@test.com>
[ 03:21:17.906 ]451 4.7.1 Greylisting in action, please come back in 00:06:09
[ 03:21:17.906 ]QUIT
[ 03:21:18.093 ]221 2.0.0 mx-a.gicm.net closing connection
[ 03:21:18.093 ] -- Completed SMTP Connection and Unsuccessful Mailbox Verification to MX2.test.com --





And trying again 6 minutes later, success :

[ 03:27:24.656 ]---- aspNetMX 2.0.3.16 [Wednesday, February 16, 2011] -----
[ 03:27:24.656 ] -- Validating abc@test.com to MXValidateLevel.Mailbox level. --
[ 03:27:24.656 ] -- Checking Email Address abc@test.com Syntax --
[ 03:27:24.656 ]The match was True
[ 03:27:24.656 ] -- Done Checking Email Address Syntax --
[ 03:27:24.656 ] -- Checking to see if abc@test.com is in the list of BadEmailAddresses. --
[ 03:27:24.656 ] -- abc@test.com was not found in the list of BadEmailAddresses --
[ 03:27:24.656 ] -- Extracting Domain Name from abc@test.com --
[ 03:27:24.656 ]Domain Name: test.com
[ 03:27:24.656 ] -- Done Extracting Domain Name from abc@test.com --
[ 03:27:24.656 ] -- Checking to see if test.com is in the list of BadDomains --
[ 03:27:24.656 ] -- test.com was not found in the list of BadDomains --
[ 03:27:24.656 ] -- Checking to see if test.com is in the list of KnownDomains --
[ 03:27:24.656 ] -- test.com was not found in the list of KnownDomains --
[ 03:27:24.656 ] -- Checking to see if test.com is in the list of MailboxDomains --
[ 03:27:24.656 ] -- test.com was not found in the list of MailboxDomains --
[ 03:27:24.656 ] -- Checking Domain Name and MX Records --
[ 03:27:24.671 ]About to query for test.com
[ 03:27:24.671 ]Converting server (64.102.255.44) to IPAddress.
[ 03:27:24.671 ]Connecting to 64.102.255.44
[ 03:27:24.875 ]Recvd 201 bytes from 64.102.255.44
[ 03:27:24.875 ]Successfully recvd data from 64.102.255.44
[ 03:27:24.875 ] -- MX Records Found --
[ 03:27:24.875 ] -- Sorting MX Records --
[ 03:27:24.875 ] -- MX Records sorted to the following sequence. --
[ 03:27:24.875 ] -- 10:MX2.test.com --
[ 03:27:24.875 ] -- 10:MX1.test.com --
[ 03:27:24.875 ] -- Attempting SMTP Connection and Mailbox Verification to MX2.test.com --
[ 03:27:24.875 ]No proxy used.
[ 03:27:24.875 ]Server [MX2.test.com] is not an IP address. Performing DNS resolution.
[ 03:27:25.171 ]Server [MX2.test.com] resolved to IP address 80.124.163.3
[ 03:27:25.562 ]220 mx-a.gicm.net ESMTP GICM; Wed, 16 Feb 2011 12:20:33 +0100
[ 03:27:25.562 ]HELO mail.advancedintellect.com
[ 03:27:25.765 ]250 mx-a.gicm.net Hello www.systemnetmail.com [209.173.247.71], pleased to meet you
[ 03:27:25.765 ]MAIL FROM:<validatetest@advancedintellect.com>
[ 03:27:25.953 ]250 2.1.0 <validatetest@advancedintellect.com>... Sender ok
[ 03:27:25.953 ]RCPT TO:<abc@test.com>
[ 03:27:26.546 ]250 2.1.5 <abc@test.com>... Recipient ok
[ 03:27:26.546 ]QUIT
[ 03:27:26.750 ]221 2.0.0 mx-a.gicm.net closing connection
[ 03:27:26.750 ] -- Completed SMTP Connection and Successful Mailbox Verification to MX2.test.com --

 

 

 



Thread View

Subject By Date
AspNetMX, grylisting support [ you are here ] Delaporte Frederic 2/16/2011
   RE: AspNetMX, grylisting support dave wanta 2/16/2011
   RE: AspNetMX, grylisting support Delaporte Frederic 2/16/2011
   RE: AspNetMX, grylisting support dave wanta 2/16/2011
     RE: AspNetMX, grylisting support dave wanta 2/16/2011
     RE: AspNetMX, grylisting support Delaporte Frederic 2/16/2011
       RE: AspNetMX, grylisting support dave wanta 2/16/2011
       RE: AspNetMX, grylisting support dave wanta 2/16/2011
         RE: AspNetMX, grylisting support Delaporte Frederic 2/16/2011

 

 

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