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invisible outgoing email saturating upload

Mast_01
i'm having a problem with yahoo mailservers which constanly delay mail and as such my upload es getting hammered by ASG which continuously retries even when the remote server turns a deferred return or broken pipe.

yesterday i saw the offending mail in the smtp spool in the mail manager and deleted, all is well until some hours after in which the upload is getting hammered again by the same type of traffic but this time the spool is EMPTY(same with the counters on the webadmin).

but i'm still getting:
0-03-10 13:50:02 128VTn-0006TK-0o Remote host d.mx.mail.yahoo.com [209.191.88.254] closed connection in response to end of data
2010:03:10-13:54:01 astaro exim[19951]: 2010-03-10 13:54:01 128VTn-0006TK-0o Remote host f.mx.mail.yahoo.com [98.137.54.237] closed connection in response to end of data
2010:03:10-13:54:01 astaro exim[19950]: 2010-03-10 13:54:01 128VTn-0006TK-0o == address@yahoo.com.ar R=dnslookup T=remote_smtp defer (-18): Remote host f.mx.mail.yahoo.com [98.137.54.237] closed connection in response to end of data
2010:03:10-13:54:01 astaro exim[19949]: 2010-03-10 13:54:01 End queue run: pid=19949
2010:03:10-13:55:00 astaro exim[20294]: 2010-03-10 13:55:00 Start queue run: pid=20294
2010:03:10-13:55:02 astaro exim[20296]: 2010-03-10 13:55:02 128VTn-0006TK-0o SMTP error from remote mail server after initial connection: host e.mx.mail.yahoo.com [67.195.168.230]: 421 Message from (200.69.233.115) temporarily deferred - 4.16.50. Please refer to http://help.yahoo.com/help/us/mail/defer/defer-06.html 

and the pc who sent the mails still gets delayed messages even though the mail was supposedly deleted.

what's going on?, how can i kill/flush the queue for real(and why are the logs so... useless to trace problems...)


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Parents
  • 0
    the problem is twofold:
    1) yahoo is retardedly delaying your mails(they have no better thing to do than being total retards about incoming mail)
    2) Astaro has a bug in the way it handles the delay because it should NEVER attempt to send the entire attached mails and hammer the yahoo servers if the remote server delays the message first. What it does now is that yahoo answer "delayed" and ASL goes "continuos send, send, hammer, hammer, send send" blindly, totally ignoring the server response and totally ignoring any retry time(it should retry after 5 to 15min, not 5 to 15 mS)
  • 0 in reply to Mast_01
    Mast, I started a case on this same issue for one of my customers; I'll keep this thread updated with what I find out.  In this customer's case, it only happens when the email is going to a yahoo.com domain and it's over 10MB in size.  I suspect the issue has the same causes as yours though.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

Reply
  • 0 in reply to Mast_01
    Mast, I started a case on this same issue for one of my customers; I'll keep this thread updated with what I find out.  In this customer's case, it only happens when the email is going to a yahoo.com domain and it's over 10MB in size.  I suspect the issue has the same causes as yours though.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

Children
  • 0 in reply to BrucekConvergent
    I am having a similar problem with mail to Yahoo.
    Several emails of large size ( > 10MB) were stuck in the outgoing spooler. I deleted these and requested that the sender reduce the size of the emails and try again, but these smaller emails ( 
  • 0 in reply to roddy100
    It's not a permanent block; I've found that sometimes (for the sake of expediency) after cleaning up the stuck emails a reboot is in order.  I recommend that you implement a QoS rule that limits bandwidth usage of yahoo-bound emails (see the first page of this thread, I posted the details there) to prevent this from happening again.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

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