421 Cannot Connect To Smtp Server Error 10060
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A colleague of mine has encounters errors like: An unknown error has occurred. Account: ‘mail.different.bg', Server: ‘mail.different.bg', Protocol: SMTP, Server Response: ‘421 Cannot connect to SMTP server 212.70.124.241 (212.70.124.241:25), connect error 10060', Port: 25, Secure(SSL): No, Server Error: 421, Error Number: 421 cannot connect to smtp server outlook 0x800CCC67 while he was trying to send some emails with his Outlook Express mail client on 421 cannot connect to smtp server incredimail his desktop computer running Windows XP, since he is not too much computer literate he contacted me for help on what is causing the error 421 cannot connect to smtp outlook 2010 and how he can get through the issue and send the prepared emails to the destinations ASAP. After I have asked him a few questions necessary to better understand the status of the problem and where does it originated I have
421 Cannot Connect To Smtp Server Connect Error 10061
come to the conclusion that it's very likely that his outgoing SMTP port (25) outgoing TCP/IP traffic passing through the Internet Service Provider is filtered. When the 421 Cannot connect to SMTP server problem occured, he was actually in his parents house provided with an internet connection through a BTC ADSL see BTC (Vivacom)'s ADSL page for reference I have instructed my friend to try connecting to the SMTP (25) port of the questionable email server using window's telnet client i order to server error 421 windows live mail check if my assumption that the outoging SMTP 25 port traffic is filtered. I instructed him to issue a command like which is so common this days and it's not news to the Sysadmins out there: cmd> telnet mail.server.net 25 This prooved my theory that the 421 Cannot connect to SMTP server was caused by a filtered traffic on the outgoing network STMP port (25). Some Internet Providers out there has that annoying practice of filtering the outgoing SMTP connections, because they couldn't deal with infected Windows computers who start acting as a SPAM networks in another more clever way, however I should admit this is pretty dumb, since it creates numerous problems to the end user like in this particular case. The temporary work around for him that I suggested was to use the mail server Webmail Interface before he moves back with his notebook back to his ISP at home which doesn't include such a foolish way to filter spammers. Share this on
Tweet If you're new here, you may want to subscribe to my RSS feed. Thanks for visiting! More helpful ArticlesTinyProxy Quick and Easy way to run a Proxy Caching server to protect and speed up web traffic on Linux / BSD and MacHow to View Mail (Full Headers) in Outlook 97 / 98 / 2003 / 2007 / 2010 and Outlook 2013 Mail client on Windows and Mac OSCreate SSH Tunnel to MySQL server to access remote filteredthe new Plesk version coming out later this year. Visit this thread for more details. Cannot connect to SMTP server (Outgoing Mail) Discussion in 'Plesk server error 421 sending email for Linux - 8.x and Older' started by acidbox, Sep 6, 2005. acidbox Guest
Windows Live Mail Error Id: 0x800ccc67
0 I am having trouble connecting to the outgoing mail server (SMTP) on my plesk 7.5.4 server. In outlook I
421 Cannot Connect To Smtp Server Nb Connect Error 1460
get this: Outlook is unable to connect to your outgoing (SMTP) e-mail server.Click to expand... Then if I try to telnet to the server, I get this: 421 Cannot connect to SMTP server xx.xx.xx.xx http://www.pc-freak.net/blog/what-causes-the-421-cannot-connect-to-smtp-server-error-and-a-quick-work-around/ (xx.xx.xx.xx:25), connect error 10060Click to expand... I Opened port 587 in my firewall to try to send mail through an alternate port SMTP will not recognize it. When I try to telnet, I get the following: Connecting To mail.mydomain.com...Could not open connection to the host, on port 587: Connect failedClick to expand... Also, there are no errors or connection failures in /usr/local/psa/var/log/maillog Does anyone know why this is happening https://talk.plesk.com/threads/cannot-connect-to-smtp-server-outgoing-mail.59367/ and how to fix it? acidbox, Sep 6, 2005 #1 jamesyeeoc Guest 0 I Opened port 587 in my firewall to try to send mail through an alternate port SMTP will not recognize it.Click to expand... Other than just opening the port, what configurations did you do to tell SMTP to listen/accept on that port? Was the Outlook error code one of the following: • 0x800ccc15 • 0x80042108 • 0x800ccc0e • 0x8004210b • 0x800CCC0B • 0x800CCC79 • 0x800ccc67 • 0x80040900 (all these indicate no response from mail server) Try telnet'ing to your server on port 25 and 587 to see if you get any response. Post results here. From a SSH root login, see if Qmail and/or IMAP are running in memory: ps -ax |grep 'qmail' ps -ax |grep 'imap' jamesyeeoc, Sep 6, 2005 #2 acidbox Guest 0 Thanks for the reply. If you look at my first post, you will see the results of the telnet attempt. The error is quoted above. The outlook code was 0x80042109. i did a ps on the qmail: 28574 ? S 0:00 /usr/bin/spamd --username=popuser --daemonize --helper-home-dir=/var/qmail --max-children 20 --create-prefs --nouser-config --virtual-config-dir=/var/qmail/mailnames/%d/%l --pidfile=/var/run/spamd/spamd_full.pid --socketpath=/tmp/spamd_full.sock 28576 ? S 0:00 /usr/bin/spamd --username=popuser --daemonize --helper-home-dir=/var/qmail --max-children 20 --create-prefs -
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