Webmail Send / Receive works but Outlook doesn't | Digital Ocean

[dipakcg]

Hi community,

As title says, email configured with Sentora running on DigitalOcean CentOS 6.7 droplet works (send / receive) in webmail (roundcube) but doesn't with Outlook or any other third party mail client.

I've tried different ways such as opening port 587, checking firewall rules etc. but no joy.

Is this DigitalOcean thing? I've different server running zPanel and I compared main.cf and master.cf of postfix which seems ok to me.

Anything else I should look into?

Thanks in advance,

--Dipak G.

=========

Additional info.:
- Have default main.cf and master.cf of Postfix (Sentora).
- Already added following line in master.cf for port 587.

Code:

submission inet n       -       n       -       -       smtpd

- Domain is: elixirnews(dot)com (if want to check DNS / MX records)

[bluephantom]

Hi community,

As title says, email configured with Sentora running on DigitalOcean CentOS 6.7 droplet works (send / receive) in webmail (roundcube) but doesn't with Outlook or any other third party mail client.

I've tried different ways such as opening port 587, checking firewall rules etc. but no joy.

Is this DigitalOcean thing? I've different server running zPanel and I compared main.cf and master.cf of postfix which seems ok to me.

Anything else I should look into?

Thanks in advance,

--Dipak G.

Did you check your maillog yet ?

Code:

[root@server01-iix ~]# tail -f /var/log/maillog

and do check opened port on your server may be the smtp running on port 25 not 587

Code:

[root@server01-iix ~]# netstat -npltu

thanks.

[Me.B]

Check local antivirus.

587 this TLS mail not the default setup no?

[dipakcg]

@bluephantom, Here is the maillog.

Code:

May 23 12:14:19 panel postfix/master[9637]: warning: process /usr/libexec/postfix/trivial-rewrite pid 10455 exit status 1
May 23 12:14:19 panel postfix/master[9637]: warning: /usr/libexec/postfix/trivial-rewrite: bad command startup -- throttling
May 23 12:15:19 panel postfix/trivial-rewrite[10467]: fatal: open database /etc/postfix/transport.db: No such file or directory
May 23 12:15:20 panel postfix/master[9637]: warning: process /usr/libexec/postfix/trivial-rewrite pid 10467 exit status 1
May 23 12:15:20 panel postfix/master[9637]: warning: /usr/libexec/postfix/trivial-rewrite: bad command startup -- throttling
May 23 12:15:35 panel postfix/smtpd[10062]: warning: problem talking to service rewrite: Connection timed out
May 23 12:15:39 panel postfix/smtpd[10063]: warning: problem talking to service rewrite: Connection timed out
May 23 12:16:20 panel postfix/trivial-rewrite[10471]: fatal: open database /etc/postfix/transport.db: No such file or directory
May 23 12:16:21 panel postfix/master[9637]: warning: process /usr/libexec/postfix/trivial-rewrite pid 10471 exit status 1
May 23 12:16:21 panel postfix/master[9637]: warning: /usr/libexec/postfix/trivial-rewrite: bad command startup -- throttling
May 23 12:16:35 panel postfix/smtpd[10067]: warning: problem talking to service rewrite: Connection timed out

...and the output of netstat -npltu

Code:

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 0.0.0.0:4190                0.0.0.0:*                   LISTEN      9163/dovecot
tcp        0      0 127.0.0.1:10025             0.0.0.0:*                   LISTEN      9637/master
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      1337/mysqld
tcp        0      0 0.0.0.0:587                 0.0.0.0:*                   LISTEN      9637/master
tcp        0      0 0.0.0.0:110                 0.0.0.0:*                   LISTEN      9163/dovecot
tcp        0      0 0.0.0.0:143                 0.0.0.0:*                   LISTEN      9163/dovecot
tcp        0      0 10.16.0.5:53                0.0.0.0:*                   LISTEN      4840/named
tcp        0      0 139.59.173.43:53            0.0.0.0:*                   LISTEN      4840/named
tcp        0      0 127.0.0.1:53                0.0.0.0:*                   LISTEN      4840/named
tcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN      1192/sshd
tcp        0      0 0.0.0.0:25                  0.0.0.0:*                   LISTEN      9637/master
tcp        0      0 127.0.0.1:953               0.0.0.0:*                   LISTEN      4840/named
tcp        0      0 :::1580                     :::*                        LISTEN      1479/httpd
tcp        0      0 :::80                       :::*                        LISTEN      1479/httpd
tcp        0      0 :::53                       :::*                        LISTEN      4840/named
tcp        0      0 :::21                       :::*                        LISTEN      1468/proftpd
tcp        0      0 :::22                       :::*                        LISTEN      1192/sshd
udp        0      0 10.16.0.5:53                0.0.0.0:*                               4840/named
udp        0      0 139.59.173.43:53            0.0.0.0:*                               4840/named
udp        0      0 127.0.0.1:53                0.0.0.0:*                               4840/named
udp        0      0 :::53                       :::*                                    4840/named

[dipakcg]

@Me.B,

I don't think that's the case because I already have other emails configured in Outlook 2016 for Mac having outgoing port 587, and it works without any problem.

[bluephantom]

i think the problem with "permit_mynetwork" issue could you enable dovecot logging

Code:

nano /etc/dovecot/conf.d/10-logging.conf

pointer your dovecot logging file

Code:

log_path = /var/log/dovecot.log

uncomment this

Code:

auth_verbose = yes
       
mail_debug = yes

Code:

service dovecot restart

thanks.

[dipakcg]

@bluephantom, Done! Here is my dovecot log

Code:

2016-05-06 00:26:59master: Warning: Killed with signal 15 (by pid=17231 uid=0 code=kill)
2016-05-06 00:27:35master: Warning: Killed with signal 15 (by pid=17480 uid=0 code=kill)
2016-05-22 23:22:02master: Warning: SIGHUP received - reloading configuration
2016-05-22 23:22:05master: Warning: Killed with signal 15 (by pid=9815 uid=0 code=kill)
2016-05-23 01:15:07master: Warning: Killed with signal 15 (by pid=12261 uid=0 code=kill)
2016-05-23 01:44:10master: Warning: Killed with signal 15 (by pid=2240 uid=0 code=kill)
2016-05-23 09:58:08master: Warning: Killed with signal 15 (by pid=9147 uid=0 code=kill)
2016-05-23 23:26:02master: Warning: Killed with signal 15 (by pid=16091 uid=0 code=kill)

..and this is Outlook error (just for reference)



I am not sure whether it has to do with permissions? But that shouldn't be the case because it's a fresh Sentora install and I didn't touch anything mail related settings / files.

[bluephantom]

the problem is with auth mail login from mail client nothing issue with ip address blocked or anything, try to install Autodiscover plugin

Code:

zppy repo add repo.alio.dk
zppy update
zppy install Autodiscover

 
activate using control panel then, remove and add your account to mail client again (thunderbird) etc.
thanks.

[dipakcg]

@bluephantom, Installed, activated and here is the module settings I've applied.



Still no joy   

I am using following settings under Outlook 2016 for Mac.

Email / Username: {email address}
Password: {password}
Incoming mail server: mail.elixirnews.com
  Override default port: No
  Use SSL to connect: No
Outgoing mail server: mail.elixirnews.com
  Override default port: Yes (587)
  Use SSL to connect: No

=========
I just have noticed that service saslauthd was not running. I've restarted it now.

[dipakcg]

After struggling 2 days and trying most of the work arounds, I've managed to fix this finally.

It was Digital Ocean / Sentora DNS conflict on Network Solutions (where domain resided). I suggest anyone who run into the same issues first make sure about DNS (especially when using Digital Ocean - in my case).

Special thanks to @bluephantom for supporting all the times.