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Resolved Mail stuck in queue between my 2 servers (Connection timed out)

Lrnt

Lrnt

Basic Pleskian
Server operating system version
Debian 12.4
Plesk version and microupdate number
18.0.58 #2
Hi !

I dont' know where to start. I am sending email from my first server to my new second server but my message is stuck in queue with the following:

Feb 7 18:19:21 ns3XXXXXXX psa-pc-remote[684593]: 3AD457420A1: from=<laurent@xxxxxx.fr> to=<reims@yyyyyy.bar>
Feb 7 18:19:21 ns3XXXXXXXpostfix/cleanup[686476]: 3AD457420A1: message-id=<CAOxSmOU8dkgjGeEkjx5PM6eMXU4HekhVLz-YvLs
Feb 7 18:19:21 ns3XXXXXXX psa-pc-remote[684593]: 3AD457420A1: spf: stderr: PASS
Feb 7 18:19:21 ns3XXXXXXXpsa-pc-remote[684593]: 3AD457420A1: check-quota: stderr: SKIP
Feb 7 18:19:21 ns3XXXXXXXpsa-pc-remote[684593]: 3AD457420A1: dk_sign: stderr: PASS
Feb 7 18:19:21 ns3XXXXXXXpostfix/qmgr[660277]: 3AD457420A1: from=<laurent@xxxxxx.fr>, size=37298, nrcpt=1 (queue act
Feb 7 18:19:51 ns3XXXXXXXpostfix/smtp[686484]: 3AD457420A1: to=<reims@yyyyyy.bar>, relay=none, delay=30, delays=0r[111.222.333.444]:25: Connection timed out)[/CODE]

But, mail.yyyyyy.bar is reachable and reims@yyyyyy.bar received other messages.
I don't know what to check nor do. I tried several emails, same result: stuck

Both domains have dedicated IP adress.

Please note, I changed real domain names and IP address' here for privacy.

Thanks
 
Precision, telnet from my new server:

Code: 
/usr/bin/telnet mail.yyyyyy.bar 25
Trying [IP_OF_yyyyyy.bar]...
Connected to mail.yyyyyy.bar.

xxxxxx.fr is on my new server
yyyyyy.bar is still on the old server
 
More from mailog:
Code: 
Feb  7 18:19:21 ns31212217 postfix/smtpd[686473]: 3AD457420A1: client=mail-lf1-f52.google.com[209.85.167.52], sasl_method=PLAIN, sasl_username=laurent@xxxxxx.fr
Feb  7 18:19:21 ns31212217 psa-pc-remote[684593]: 3AD457420A1: from=<laurent@xxxxxx.fr> to=<reims@yyyyyy.bar>
Feb  7 18:19:21 ns31212217 postfix/cleanup[686476]: 3AD457420A1: message-id=<CAOxSmOU8dkgjGeEkjx5PM6eMXU4HekhVLz-YvLsgQ90qpthenQ@mail.gmail.com>
Feb  7 18:19:21 ns31212217 psa-pc-remote[684593]: 3AD457420A1: spf: stderr: PASS
Feb  7 18:19:21 ns31212217 psa-pc-remote[684593]: 3AD457420A1: check-quota: stderr: SKIP
Feb  7 18:19:21 ns31212217 psa-pc-remote[684593]: 3AD457420A1: dk_sign: stderr: PASS
Feb  7 18:19:21 ns31212217 postfix/qmgr[660277]: 3AD457420A1: from=<laurent@xxxxxx.fr>, size=37298, nrcpt=1 (queue active)
Feb  7 18:19:51 ns31212217 postfix/smtp[686484]: 3AD457420A1: to=<reims@yyyyyy.bar>, relay=none, delay=30, delays=0.11/0.01/30/0, dsn=4.4.1, status=deferred (connect to mail.yyyyyy.bar[111.222.333.444]:25: Connection timed out)
Feb  7 18:26:21 ns31212217 postfix/qmgr[660277]: 3AD457420A1: from=<laurent@xxxxxx.fr>, size=37298, nrcpt=1 (queue active)
Feb  7 18:26:51 ns31212217 postfix/smtp[686951]: 3AD457420A1: to=<reims@yyyyyy.bar>, relay=none, delay=451, delays=420/0.01/30/0, dsn=4.4.1, status=deferred (connect to mail.yyyyyy.bar[111.222.333.444]:25: Connection timed out)
Feb  7 18:36:21 ns31212217 postfix/qmgr[660277]: 3AD457420A1: from=<laurent@xxxxxx.fr>, size=37298, nrcpt=1 (queue active)
Feb  7 18:36:52 ns31212217 postfix/smtp[687526]: 3AD457420A1: to=<reims@yyyyyy.bar>, relay=none, delay=1051, delays=1021/0.01/30/0, dsn=4.4.1, status=deferred (connect to mail.yyyyyy.bar[111.222.333.444]:25: Connection timed out)
Feb  7 18:56:21 ns31212217 postfix/qmgr[660277]: 3AD457420A1: from=<laurent@xxxxxx.fr>, size=37298, nrcpt=1 (queue active)
Feb  7 18:56:51 ns31212217 postfix/smtp[688299]: 3AD457420A1: to=<reims@yyyyyy.bar>, relay=none, delay=2250, delays=2220/0.01/30/0, dsn=4.4.1, status=deferred (connect to mail.yyyyyy.bar[111.222.333.444]:25: Connection timed out)
Feb  7 19:36:21 ns31212217 postfix/qmgr[660277]: 3AD457420A1: from=<laurent@xxxxxx.fr>, size=37298, nrcpt=1 (queue active)
Feb  7 19:36:51 ns31212217 postfix/smtp[690765]: 3AD457420A1: to=<reims@yyyyyy.bar>, relay=none, delay=4650, delays=4620/0.01/30/0, dsn=4.4.1, status=deferred (connect to mail.yyyyyy.bar[111.222.333.444]:25: Connection timed out)
 
As soon as I am an idiot, you can delete my post.
I forgot that xxxxxx.fr use a third party antispam protection (mailinblack) and so my SMTP configuration was broken. :mad:
 
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