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Temporary failing connection in milter's connection callback
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Alexander Yegorov
Oct 20, 2014, 9:42:23 AM10/20/14
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Hi comp.mail.sendmail community,
I am trying to temp fail connection through milter connect callback by either:
smfi_setreply(ctx, "421", NULL, "Deferred due to too many connections.");
or
mfi_setreply(ctx, "421", "4.7.0", "Deferred due to too many connections.");
Need milter specifically to keep track of connection since it can interact with realtime counting engine from each MTA server in a cluster.
However, sendmail logs are showing that hard bounce occurs : dsn=5.0.0 Service unavailable.
Can please anyone point me to correct direction to solve this issue?
I am trying to temp fail connection through milter connect callback by either:
smfi_setreply(ctx, "421", NULL, "Deferred due to too many connections.");
or
mfi_setreply(ctx, "421", "4.7.0", "Deferred due to too many connections.");
Need milter specifically to keep track of connection since it can interact with realtime counting engine from each MTA server in a cluster.
However, sendmail logs are showing that hard bounce occurs : dsn=5.0.0 Service unavailable.
Can please anyone point me to correct direction to solve this issue?
Claus Aßmann
Oct 20, 2014, 2:02:22 PM10/20/14
to
Alexander Yegorov wrote:
> I am trying to temp fail connection through milter connect callback by either:
> smfi_setreply(ctx, "421", NULL, "Deferred due to too many connections.");
You checked the fine documentation, right?
> I am trying to temp fail connection through milter connect callback by either:
> smfi_setreply(ctx, "421", NULL, "Deferred due to too many connections.");
smfi_setreply may be called from any of the xxfi_ callbacks other
than xxfi_connect.
What is the return value that you use?
> However, sendmail logs are showing that hard bounce occurs : dsn=5.0.0 Service unavailable.
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Alexander Yegorov
Oct 21, 2014, 5:59:12 AM10/21/14
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понедельник, 20 октября 2014 г., 21:02:22 UTC+3 пользователь Claus Aßmann -no-copies-please написал:
Right, I've checked that documentation page.
However we were able to achieve the following result: dsn=4.0.0 with stat=Deferred: 421 4.7.0 xxxxxx.com closing connection, by using smfi_setreply(ctx, "421", NULL, "Deferred due to too many connections.") and returning SMFI_TEMPFAIL from _connect callback.
So, this means that smfi_setreply should be still called to set desired rcode (421), however *message cannot be set - it reverts to default "message("421 4.7.0 %s closing connection", MyHostName);"
Thank you for your attention to this thread, Claus.
However we were able to achieve the following result: dsn=4.0.0 with stat=Deferred: 421 4.7.0 xxxxxx.com closing connection, by using smfi_setreply(ctx, "421", NULL, "Deferred due to too many connections.") and returning SMFI_TEMPFAIL from _connect callback.
So, this means that smfi_setreply should be still called to set desired rcode (421), however *message cannot be set - it reverts to default "message("421 4.7.0 %s closing connection", MyHostName);"
Thank you for your attention to this thread, Claus.
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