Re: [v6z] Re: Yahoo! Mail Issue

2011-04-16 Thread Scott Howard
On Tue, Apr 12, 2011 at 2:22 AM, Nathanael C. Cariaga nccari...@stluke.com.ph wrote: ps. I'm just wondering why yahoo doesn't inform their users that the email that they sent was blocked because of their servers were listed in a blocklist (inspite that the server is able to return a correct

Re: Yahoo! Mail Issue

2011-04-12 Thread Joshua William Klubi
Well yahoo's mx tend to do that a lot. i used to have a lot of bounced emails to yahoo until i implemented dkim, domainkeys and spf then all my yahoo problems disappeared , I just want to know if you have implemented any of these technologies dkim,domainkeys and spf, other wise you would have

Re: Yahoo! Mail Issue

2011-04-12 Thread Christopher Balmain
We had a lot of issues delivering mail to yahoo.com.sg about a year ago (just the .sg domain, plain .com was fine). Could establish connection but it'd die halfway through transferring mail. A static route to drop the MTU (for their subnet only) to 1000 fixed the problem right up. Not sure if

Re: Yahoo! Mail Issue

2011-04-12 Thread Nathanael C. Cariaga
Strangely though I noticed that the email accounts that seems to be affected by our concern seems to be related to the Yahoo SG servers. On 4/12/2011 3:04 PM, Christopher Balmain wrote: We had a lot of issues delivering mail to yahoo.com.sg about a year ago (just the .sg domain, plain .com

Re: Yahoo! Mail Issue

2011-04-12 Thread Matthew Petach
On Tue, Apr 12, 2011 at 12:12 AM, Nathanael C. Cariaga nccari...@stluke.com.ph wrote: Strangely though I noticed that the email accounts that seems to be affected by our concern seems to be related to the Yahoo SG servers. Oh. You don't seem to want to accept connections from the

Re: Yahoo! Mail Issue

2011-04-12 Thread Nathanael C. Cariaga
Oh well... Just have to inform our users :( Thanks! =) ps. I'm just wondering why yahoo doesn't inform their users that the email that they sent was blocked because of their servers were listed in a blocklist (inspite that the server is able to return a correct reject code 550) On

Re: Yahoo! Mail Issue

2011-04-12 Thread Suresh Ramasubramanian
Tell you the truth, you shouldnt be dropping the connection right at the smtp banner with a 5xx - return it after RCPT TO. On Tue, Apr 12, 2011 at 2:52 PM, Nathanael C. Cariaga nccari...@stluke.com.ph wrote: Oh well... Just have to inform our users :( Thanks! =) ps.  I'm just wondering why

Re: Yahoo! Mail Issue

2011-04-12 Thread Jay Ashworth
- Original Message - From: Nathanael C. Cariaga nccari...@stluke.com.ph Thanks anyway. I just find this issue intriguing since not all Yahoo mail accounts are affected. In addition, incoming mails from other domain doesn't seem to be affected. That is why I want to check if it is a

Re: Yahoo! Mail Issue

2011-04-11 Thread Matthew Petach
On Mon, Apr 11, 2011 at 9:28 PM, Nathanael C. Cariaga nccari...@stluke.com.ph wrote: Hi All, It seems that we're having some problems receiving emails from selected Yahoo! Mail Accounts.  I noticed that there is a commonality between the accounts that fails when sending an email to our domain

Re: Yahoo! Mail Issue

2011-04-11 Thread Brielle Bruns
On 4/11/11 10:47 PM, Matthew Petach wrote: mpetach@opstools1:~ telnet 219.90.94.56 25 Trying 219.90.94.56... Connected to static-host-219-90-94-56.tri.ph. Escape character is '^]'. ehlo yahoo.com 554 SMTP synchronization error Connection closed by foreign host. mpetach@opstools1:~ I imagine

Re: Yahoo! Mail Issue

2011-04-11 Thread Matthew Petach
On Mon, Apr 11, 2011 at 9:54 PM, Brielle Bruns br...@2mbit.com wrote: On 4/11/11 10:47 PM, Matthew Petach wrote: mpetach@opstools1:~  telnet 219.90.94.56 25 Trying 219.90.94.56... Connected to static-host-219-90-94-56.tri.ph. Escape character is '^]'. ehlo yahoo.com 554 SMTP synchronization

Re: Yahoo! Mail Issue

2011-04-11 Thread Nathanael C. Cariaga
Thanks anyway. I just find this issue intriguing since not all Yahoo mail accounts are affected. In addition, incoming mails from other domain doesn't seem to be affected. That is why I want to check if it is a network issue :) -nathan On 4/12/2011 1:17 PM, Matthew Petach wrote: On Mon,