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Can't send or receive mail?

Questions regarding the Mail Server
Dovecot, Exim, RoundCube
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5 posts • Page 1 of 1
daz1uk
Posts: 25
Joined: Fri Apr 22, 2016 3:32 pm

Can't send or receive mail?
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Post by daz1uk » Fri Apr 22, 2016 6:38 pm

Hi,

I would appreciate any help, my server currently can not send or receive any mail, I have spent hours trying to find information on how to deal with this but no joy, I don't even know where to start.

Exim and Dovecot are installed and running. Where to start to diagnose the issue?
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Falzo
Posts: 60
Joined: Mon Mar 28, 2016 8:49 am

Re: Can't send or receive mail?
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Post by Falzo » Fri Apr 22, 2016 10:00 pm

is your smtp port open/reachable? (e.g. not blocked by your host)

and how are you trying to send and receive mails and what error messages do you get as a sender from the server or what bounce messages do you get while trying sending to the server?

to read those error messages would probably a proper starting point ;-)
furthermore check your dns/mx entries, look into mail.log etc.
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daz1uk
Posts: 25
Joined: Fri Apr 22, 2016 3:32 pm

Re: Can't send or receive mail?
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Post by daz1uk » Fri Apr 22, 2016 10:21 pm

HI,

Thanks for the response, I have re-installed and now have some email functionality although my emails going out are being blocked by gmail with the response:

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

[email protected]
SMTP error from remote mail server after end of data:
host gmail-smtp-in.l.google.com [2a00:1450:400c:c07::1b]:
550-5.7.1 [2a06:8ec0:1:cf::d57a] Our system has detected that this message does
550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and
550-5.7.1 authentication. Please review
550-5.7.1 https://support.google.com/mail/?p=ipv6 ... tion_error for more
550 5.7.1 information. 65si5848463wmx.121 - gsmtp

Do you know how I can resolve this issue please?
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mehargags
Support team
Posts: 1096
Joined: Sat Sep 06, 2014 9:58 pm
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Os: Debian 8x
Web: apache + nginx
Re: Can't send or receive mail?
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Post by mehargags » Fri Apr 22, 2016 10:28 pm

you can disable ipv6... Exim doesn't play well with it

Mailing is indeed a very complicated procedure... please use search function to read some previous detailed threads.
On Top - just send a mail to mail-tester.com to start with.
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daz1uk
Posts: 25
Joined: Fri Apr 22, 2016 3:32 pm

Re: Can't send or receive mail?
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Post by daz1uk » Fri Apr 22, 2016 10:40 pm

Thanks, I will try and figure it out, after further testing it would seem that I can't send mail either.
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