Voicemail not sending email

i did a network update over the summer.
when i did i change things like IP and vlans and so on…
the voicemail is working fine but in the last few weeks people have not been getting the voicemails in there emails. the voicemail to email was working for about 2 months after i did my network change.
i have read a bunch of topic and anything i can find on google and nothing seams to help.
please help.

see below for info from my - /var/spool/mail/asterisk

[[email protected] ~]# nano /var/spool/mail/asterisk
GNU nano 2.0.9 File: /var/spool/mail/asterisk

From MAILER-DAEMON Wed Sep 11 07:31:19 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 730761C801A0; Wed, 11 Sep 2019 07:31:19 -0700 (MST)
Date: Wed, 11 Sep 2019 07:31:19 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“678201C80213.1568212279/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–678201C80213.1568212279/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

[email protected]: connect to sfxphx.org[10.10.20.20]:25: Connection timed out

–678201C80213.1568212279/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: 678201C80213
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 07:13:04 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 4.4.1
Diagnostic-Code: X-Postfix; connect to sfxphx.org[10.10.20.20]:25: Connection
timed out

–678201C80213.1568212279/pbx3.sfxphx.org
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Content-Transfer-Encoding: 8bit

Return-Path: [email protected]
Return-Path: [email protected]
Received: by pbx3.sfxphx.org (Postfix, from userid 499)
id 678201C80213; Fri, 6 Sep 2019 07:13:04 -0700 (MST)
Date: Fri, 06 Sep 2019 07:13:04 -0700
From: “SFX Phone System” [email protected]
To: “Absence Reporting” [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
X-Asterisk-CallerID: 6023617151
X-Asterisk-CallerIDName: Franks Tara
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----voicemail_141993350756271932"

–678201C80213.1568212279/pbx3.sfxphx.org–

From MAILER-DAEMON Wed Sep 11 08:21:19 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id C9C8D1C801DD; Wed, 11 Sep 2019 08:21:19 -0700 (MST)
Date: Wed, 11 Sep 2019 08:21:19 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“A9C791C80215.1568215279/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–A9C791C80215.1568215279/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

[email protected]: connect to sfxphx.org[10.10.20.20]:25: Connection timed out

–A9C791C80215.1568215279/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: A9C791C80215
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 08:04:09 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 4.4.1
Diagnostic-Code: X-Postfix; connect to sfxphx.org[10.10.20.20]:25: Connection
timed out

–A9C791C80215.1568215279/pbx3.sfxphx.org
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Content-Transfer-Encoding: 8bit

Return-Path: [email protected]
Received: by pbx3.sfxphx.org (Postfix, from userid 499)
id A9C791C80215; Fri, 6 Sep 2019 08:04:09 -0700 (MST)
Date: Fri, 06 Sep 2019 08:04:09 -0700
From: “SFX Phone System” [email protected]
To: “Absence Reporting” [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
X-Asterisk-CallerID: 4808458672
X-Asterisk-CallerIDName: PHOENIX AZ
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----voicemail_241993350580183860"

–A9C791C80215.1568215279/pbx3.sfxphx.org–

From MAILER-DAEMON Wed Sep 11 08:25:49 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 5433D1C801DD; Wed, 11 Sep 2019 08:25:49 -0700 (MST)
Date: Wed, 11 Sep 2019 08:25:49 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“091DD1C80216.1568215549/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–091DD1C80216.1568215549/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

[email protected]: delivery temporarily suspended: connect to
sfxphx.org[10.10.20.20]:25: Connection timed out

–091DD1C80216.1568215549/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: 091DD1C80216
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 08:06:19 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 4.4.1
Diagnostic-Code: X-Postfix; delivery temporarily suspended: connect to
sfxphx.org[10.10.20.20]:25: Connection timed out

–091DD1C80216.1568215549/pbx3.sfxphx.org
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Content-Transfer-Encoding: 8bit

Return-Path: [email protected]
Received: by pbx3.sfxphx.org (Postfix, from userid 499)
id 091DD1C80216; Fri, 6 Sep 2019 08:06:19 -0700 (MST)
Date: Fri, 06 Sep 2019 08:06:18 -0700
From: “SFX Phone System” [email protected]
To: “Academic Dean” [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
X-Asterisk-CallerID: 6029999257
X-Asterisk-CallerIDName: GRAND VIEW DAIR
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----voicemail_1410333501679084744"

–091DD1C80216.1568215549/pbx3.sfxphx.org–

From MAILER-DAEMON Wed Sep 11 09:21:19 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 2E5971C801DD; Wed, 11 Sep 2019 09:21:19 -0700 (MST)
Date: Wed, 11 Sep 2019 09:21:19 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“844CC1C80218.1568218879/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–844CC1C80218.1568218879/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

[email protected]: connect to sfxphx.org[10.10.20.20]:25: Connection timed out

–844CC1C80218.1568218879/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: 844CC1C80218
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 09:02:05 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 4.4.1
Diagnostic-Code: X-Postfix; connect to sfxphx.org[10.10.20.20]:25: Connection
timed out

–844CC1C80218.1568218879/pbx3.sfxphx.org
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Content-Transfer-Encoding: 8bit

Return-Path: [email protected]
Received: by pbx3.sfxphx.org (Postfix, from userid 499)
id 844CC1C80218; Fri, 6 Sep 2019 09:02:05 -0700 (MST)
Date: Fri, 06 Sep 2019 09:02:05 -0700
From: “SFX Phone System” [email protected]
To: “Absence Reporting” [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
X-Asterisk-CallerID: 6024186716
X-Asterisk-CallerIDName: BARRAZA JASON
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----voicemail_1419933501551566736"

–844CC1C80218.1568218879/pbx3.sfxphx.org–

From MAILER-DAEMON Wed Sep 11 09:55:49 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 2B1F31C801DD; Wed, 11 Sep 2019 09:55:49 -0700 (MST)
Date: Wed, 11 Sep 2019 09:55:49 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“C8AE51C80219.1568220949/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–C8AE51C80219.1568220949/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

[email protected]: delivery temporarily suspended: connect to
sfxphx.org[10.10.20.20]:25: Connection timed out

–C8AE51C80219.1568220949/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: C8AE51C80219
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 09:36:50 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 2B1F31C801DD; Wed, 11 Sep 2019 09:55:49 -0700 (MST)
Date: Wed, 11 Sep 2019 09:55:49 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“C8AE51C80219.1568220949/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–C8AE51C80219.1568220949/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

               The mail system

[email protected]: delivery temporarily suspended: connect to
sfxphx.org[10.10.20.20]:25: Connection timed out

–C8AE51C80219.1568220949/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: C8AE51C80219
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 09:36:50 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
[ Read 727 lines ]
^G Get Help ^O WriteOut ^R Read File ^Y Prev Page ^K Cut Text ^C Cur Pos
^X Exit ^J Justify ^W Where Is ^V Next Page ^U UnCut Text ^T To Spell
Final-Recipient: rfc822; [email protected]
Action: failed
Status: 4.4.1
Diagnostic-Code: X-Postfix; delivery temporarily suspended: connect to
sfxphx.org[10.10.20.20]:25: Connection timed out

–C8AE51C80219.1568220949/pbx3.sfxphx.org
–C8AE51C80219.1568220949/pbx3.sfxphx.org
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Content-Transfer-Encoding: 8bit

Return-Path: [email protected]
Received: by pbx3.sfxphx.org (Postfix, from userid 499)
id C8AE51C80219; Fri, 6 Sep 2019 09:36:50 -0700 (MST)
Date: Fri, 06 Sep 2019 09:36:50 -0700
From: “SFX Phone System” [email protected]
To: “Absence Reporting” [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
X-Asterisk-CallerID: 6026183525
X-Asterisk-CallerIDName: Show Jacquelynn
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----voicemail_2419933502054370249"

–C8AE51C80219.1568220949/pbx3.sfxphx.org–

From MAILER-DAEMON Wed Sep 11 10:36:19 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 9A17E1C801DD; Wed, 11 Sep 2019 10:36:19 -0700 (MST)
Date: Wed, 11 Sep 2019 10:36:19 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“712A61C8021A.1568223379/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–712A61C8021A.1568223379/pbx3.sfxphx.org
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii

This is the mail system at host pbx3.sfxphx.org.

I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.
[email protected]: connect to sfxphx.org[10.10.20.20]:25: Connection
timed out

–712A61C8021A.1568223379/pbx3.sfxphx.org
Content-Description: Delivery report
Content-Type: message/delivery-status

Reporting-MTA: dns; pbx3.sfxphx.org
X-Postfix-Queue-ID: 712A61C8021A
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Fri, 6 Sep 2019 09:40:39 -0700 (MST)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 4.4.1
Diagnostic-Code: X-Postfix; connect to sfxphx.org[10.10.20.20]:25: Connection
timed out

–712A61C8021A.1568223379/pbx3.sfxphx.org
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Content-Transfer-Encoding: 8bit

Return-Path: [email protected]
Received: by pbx3.sfxphx.org (Postfix, from userid 499)
id 712A61C8021A; Fri, 6 Sep 2019 09:40:39 -0700 (MST)
Date: Fri, 06 Sep 2019 09:40:39 -0700
From: “SFX Phone System” [email protected]
To: “Development Director” [email protected]
Subject: SFX Voicemail Notification
Message-ID: [email protected]
X-Asterisk-CallerID: 5128613273
X-Asterisk-CallerIDName: AUSTIN TX
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----voicemail_145553350255585363"

–712A61C8021A.1568223379/pbx3.sfxphx.org–

From MAILER-DAEMON Wed Sep 11 10:40:49 2019
Return-Path: <>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: by pbx3.sfxphx.org (Postfix)
id 11A891C801DD; Wed, 11 Sep 2019 10:40:49 -0700 (MST)
Date: Wed, 11 Sep 2019 10:40:49 -0700 (MST)
From: [email protected] (Mail Delivery System)
Subject: Undelivered Mail Returned to Sender
To: [email protected]
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary=“3B5001C8021B.1568223649/pbx3.sfxphx.org”
Content-Transfer-Encoding: 8bit
Message-Id: [email protected]

This is a MIME-encapsulated message.

–3B5001C8021B.1568223649/pbx3.sfxphx.org

Your connection to the mail server is timing out. The mail is getting sent, or at least is trying to get sent, but your mail server is not allowing you to complete the process.

I’d start with checking the maillog (/var/log/maillog, most likely) on your mail server. See what it’s problem with your mail client connection is. I’m going to guess it has something to do with whatever anti-SPAM system you have set up, but the logs should tell you.

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