Gmail ve(SENT_EHLO): Connection timed out hatasi

Yaklasik bir haftadir Gmail’den yonettigim sunucuya mail gelmedigi konusunda sikayetler aliyordum. Kendi hesaplarimdan test yapinca gercekten Gmail’in sunucuma mail gondermedigini ve bir iki gun sonra ekteki gibi bir hata ile denemeyi biraktigini gordum.

Uzun sure sistemde bir degisiklik yapmadigim icin hatanin nereden kaynaklanacagini dusunerek bulamadim.  Gmail’in dondugu hataya gore gmail sistemleri benim sunucuma baglaniyor ve bir sekilde islemlerini tamamlayamadan sistemin baglantilari kopariyordu(ya da gmail’in sistemi fazla bekleyemeden baglantiyi kopariyor).

Ben de klasik mantikla aradaki bilesenleri teker teker sorunun nerden kaynaklanabilecegini bulmaya calistim. Aradaki bilesenler: (Firewall, Spam filter, qmail vb ) . Sansim yaver gitti Firewall’u durdurunca mail trafigi akmaya basladi. Firewall’u tekrar acip mail gondermeyi denedim (emin olmak icin) mailler gelmeye basladi… Sonra Firewall üzerinde buna sebep olabilecek bilesenleri teker teker kurcalamaya basladim.

Sistemdeki degerleri olabilecegi kadar esnetmeye calistim fakat sonuc degismedi. Simdilik firewall’u sistemden kaldirarak sorunu gecici olarak cozdum fakat icim rahat etmedi… Benim tarafimda bir degisiklik olmadan bu hatayi aliyorsam Gmail tarafi birseyleri degistirmis olmali. Bakalim ilerleyen gunlerde bulabilecek miyim kesin problemi.

Packet Filter’da Timeout degerlerim;TIMEOUTS:

tcp.first                   120s
tcp.opening                  60s
tcp.established            3600s
tcp.closing                 600s
tcp.finwait                  45s
tcp.closed                   90s
tcp.tsdiff                   30s
udp.first                    60s
udp.single                   30s
udp.multiple                 60s
icmp.first                   20s
icmp.error                   10s
other.first                  60s
other.single                 30s
other.multiple               60s
frag                         30s
interval                     10s
adaptive.start                0 states
adaptive.end                  0 states
src.track                     0s

LIMITS:
states     hard limit  20000
src-nodes  hard limit  10000
frags      hard limit  20000

Gmail’in verdigi hata…

This is an automatically generated Delivery Status Notification

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

Delivery to the following recipient has been delayed:

[email protected]

Message will be retried for 2 more day(s)

Technical details of temporary failure: Unspecified Error (SENT_EHLO): Connection timed out —– Message header follows —–

Received: by 10.210.144.8 with SMTP id r8mr2719062ebd.102.

1229628697723; Thu, 18 Dec 2008 11:31:37 -0800 (PST) Received: by 10.210.129.9 with HTTP; Thu, 18 Dec 2008 11:31:37 -0800 (PST) Message-ID: <[email protected]> Date: Thu, 18 Dec 2008 21:31:37 +0200 From: “Huzeyfe ONAL(Gmail)” <[email protected]> To: [email protected] Subject: q1w2e3 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline
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