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Topic: can't send email to outside adn no route to host

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Hi all

I'm newbie on iredmail. I'm new fresh install . I can receive email from outside but can't send email to outside

this log from my mail

Sep 16 14:14:24 mail postfix/qmgr[1583]: 01900581020: removed
Sep 16 14:14:24 mail postfix/smtp[1725]: connect to mta5.am0.yahoodns.net[66.196.118.35]:25: No route to host
Sep 16 14:14:24 mail postfix/smtp[1725]: connect to mta5.am0.yahoodns.net[98.138.112.38]:25: No route to host
Sep 16 14:14:24 mail postfix/smtp[1725]: connect to mta5.am0.yahoodns.net[66.196.118.37]:25: No route to host
Sep 16 14:14:24 mail postfix/smtp[1725]: connect to mta5.am0.yahoodns.net[66.196.118.33]:25: No route to host
Sep 16 14:14:24 mail postfix/smtp[1725]: connect to mta7.am0.yahoodns.net[66.196.118.34]:25: No route to host
Sep 16 14:14:24 mail postfix/smtp[1725]: BA80B5810B7: to=<cxxxxxxxxx@yahoo.com>, relay=none, delay=0.62, delays=0.2/0.01/0.41/0, dsn=4.4.1, status=deferred (connect to mta7.am0.yahoodns.net[66.196.118.34]:25: No route to host)

but i can ping to destination but can't telnet to destination

ping  mta5.am0.yahoodns.net
PING mta5.am0.yahoodns.net (98.138.112.32) 56(84) bytes of data.
64 bytes from mta-v6.mail.vip.ne1.yahoo.com (98.138.112.32): icmp_seq=1 ttl=50 time=270 ms
64 bytes from mta-v6.mail.vip.ne1.yahoo.com (98.138.112.32): icmp_seq=2 ttl=50 time=272 ms
64 bytes from mta-v6.mail.vip.ne1.yahoo.com (98.138.112.32): icmp_seq=3 ttl=50 time=290 ms
64 bytes from mta-v6.mail.vip.ne1.yahoo.com (98.138.112.32): icmp_seq=4 ttl=50 time=272 ms
64 bytes from mta-v6.mail.vip.ne1.yahoo.com (98.138.112.32): icmp_seq=5 ttl=50 time=288 ms


telnet mta-v6.mail.vip.ne1.yahoo.com 25
Trying 98.138.112.32...
telnet: Unable to connect to remote host: No route to host

PLease Help

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Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

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Re: can't send email to outside adn no route to host

Does your ISP block port 25? Contact them first.