I m using free zoho mail client application (similar to microsoft outlook) on my mobile [android / ios] for all my emails to mohtashim@techx.com
I wish to only recieve emails from my Linux Server details of which are: techx 3.10.0-514.10.2.el7.x86_64 #1 SMP CentOS release 7.3.1611 (Core).
I try the below command to shoot an email from the Linux server to my zoho mail client's mohtashim@techx.com email id but the email does not show in my inbox.
Code:
[mohtashim@techx ~]$ echo "hello" | mail mohtashim@techx.com
You have new mail in /var/spool/mail/mohtashim
As soon as i fire this email command, the logs tail -f /var/log/maillog shows the following msg:
When i try mail command i do see the mail for mohtashim user on the Linux server as shown below:
Code:
[mohtashim@techx ~]$ mail
N 39 mohtashim@techx.c Sun Aug 27 21:34 19/710
& 39
Message 39:
From mohtashim@techx.com Sun Aug 27 21:34:12 2017
Return-Path: <mohtashim@techx.com>
From: mohtashim@techx.com
Date: Sun, 27 Aug 2017 21:34:12 +0000
To: mohtashim@techx.com
User-Agent: Heirloom mailx 12.5 7/5/10
Content-Type: text/plain; charset=us-ascii
Status: R
hello
I m using smtp.zoho.com to send out emails from the Linux box.
Below are a few important settings from /etc/mail/sendmail.mc
You could try to connect to port 25 in telnet. If you can connect from a different machine, it's obviously not firewalled. If you can't connect even from the same machine, port 25 isn't being listened for.
You could try to connect to port 25 in telnet. If you can connect from a different machine, it's obviously not firewalled. If you can't connect even from the same machine, port 25 isn't being listened for.
I m able to telnet successfully to port 25,587 & 465 from a remote system.
Code:
[root@techx ~]telnet 45.77.141.129 25
Trying 45.77.141.129...
Connected to 45.77.141.129.
Escape character is '^]'.
220 techx.com ESMTP Sendmail 8.14.7/8.14.7; Wed, 6 Sep 2017 21:09:19 GMT
telnet 45.77.141.1229 587
Trying 45.77.141.129...
Connected to 45.77.141.129.
Escape character is '^]'.
220 Development_Digiklug ESMTP Sendmail 8.14.7/8.14.7; Wed, 6 Sep 2017 21:20:18 GMT
telnet 45.77.141.129 465
Trying 45.77.141.129...
Connected to 45.77.141.129.
Escape character is '^]'.
454 4.3.3 TLS not available: error generating SSL handle
Connection closed by foreign host.
Also, locally all the ports seems to be listening as shown below.
You mention you've got your smart relay configured in sendmail.mc, but I wonder if it's actually gone live in your sendmail.cf (the real config file which is generated from the first one).
Could you see what output you get returned for:
Code:
grep ^DS /etc/mail/sendmail.cf
please (assuming that's the location of your sendmail.cf, naturally) ? Also, have you re-started Sendmail since you put the smart relay in place ?
Just a thought, as a discrepancy between your .mc and your .cf could potentially explain why Sendmail appears to be ignoring your smart relay, so to speak.
You mention you’ve got your smart relay configured in sendmail.mc, but I wonder if it’s actually gone live in your sendmail.cf (the real config file which is generated from the first one).
Could you see what output you get returned for:
Code:
grep ^DS /etc/mail/sendmail.cf
please (assuming that’s the location of your sendmail.cf, naturally) ? Also, have you re-started Sendmail since you put the smart relay in place ?
Just a thought, as a discrepancy between your .mc and your .cf could potentially explain why Sendmail appears to be ignoring your smart relay, so to speak.
Here is the Output after restarting the smtp service
Like i said before the mail is received locally by mohtashim user which can be checked using the mail command but the issue remains. The message is not delivered to the zoho email client configured on my mobile.
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08-27-2017
Sendmail Fails to send emails from Linux server.
