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Questions tagged [email-bounces]

email bounces are messages that are delivered to the nominated postmaster account on an email server to indicate a problem delivering the mail to one or more recipients.

email bounces are messages that are delivered to the nominated postmaster account on an email server to indicate a problem delivering the mail to one or more recipients.

Bounces can result from unknown users, failed mail servers, or other network or configuration issues.

402 questions
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sendmail cant send mail - Centos6/7

I have a newly minted CentOS 6.7 box to set up sendmail on. It seems sending email but not really, no idea whats the issue could be. What I did: yum install sendmail sendmail-cf sendmail-doc sendmail-devel telnet service sendmail start chkconfig…
Adeel
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Required Mailboxes

Regarding this answer https://serverfault.com/a/134814 What are the minimal mailboxes required for a domain? Currently I only specify these…
Craig
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Spam mail forwarded through my server using valid user

I am getting "Undelivered Mail Returned to Sender" messages. The relevant mail messages are being forwarded using a valid user (mike@proactech.com) on my server (server1.nbicharts.com). I control that email address, so it is not me that's doing…
user1142052
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Can IP reputation be affected due to automatic forwarding?

I am hitting a dead wall with the support team of my email hosting provider. The IP they assigned me was blacklisted and so sending emails to AOL.co.uk end up getting rejected. After several emails back and forth, it has been de-listed from all…
dr_rk
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reason: 403 4.7.0 TLS handshake failed

Sending email to one particular domain, I get the following error: ----- The following addresses had permanent fatal errors ----- <> (reason: 403 4.7.0 TLS handshake failed.) ----- Transcript of session follows ----- <>...…
NinjaCat
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Why is this SPF record being reported as invalid?

I've set up my SPF record at improvedemployees.com as follows: v=spf1 a mx ptr ip4:84.40.9.177 mx ip4:84.40.9.11 ~all I've set up my SPF record at affiliatewebdesigners.com to point to using improvedemployees.com as this is the reverse lookup name…
Dave Hilditch
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(Postfix + Dovecot) All emails to @aol.com being deferred

I'm running a dovecot/postfix mail server on debian and am having some issues. Everything is working fine except all emails to @aol.com are being deferred. The error code gave me: "The Reverse DNS lookup for your IP address is failing." I'm running…
Jonny07
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E-Mail Bounce Management

we want to improve our mailing lists by handling all the bounces we get. As I saw there are different approaches. One checks the badmail folder in IIS mailroot folder. Others check a email account using pop3 to get the bounces. Our setup is an…
kcode
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Maximum length of MAIL FROM address

When sending out emails with a MAIL FROM address > 81 characters I receive bounce messages from some MTAs: 501 Syntax error - Badly formatted address. (in reply to MAIL FROM command) As soon as I change the MAIL FROM address to <= 81 characters,…
horen
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ExRecipNotFound; not found after disabling / recreating mailbox in exchange - x500 not working

We had an issue with some mail boxes and I have had to recreate some user mail boxes (not a Move Request). After doing this, people can't send to the new mail boxes. I have read about the x500 record that needs updating when a mail box has been…
webnoob
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telnet unable to connect to remote host

I have installed postfix and devcot on one of my live servers to send bulk mail (system messages on sign-up, wrong passwords etc). I use the php_imap function to check bounces and flag those email id's so that we don't keep sending emails to those…
sridhar pandurangiah
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"Undelivered Mail Returned to Sender" messages from Google

Some while back I set up a postfix server. I set the MX record for my domain name and sent a test message to one of my addresses on gmail.com. However, as the MX record change was not propagated by the time, the test mail bounced and I received a…
Phil
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Does Exchange keep a record of the mail it's bounced?

We've just migrated to Office 365 (from Google Apps, BTW) and due to some oversights (groups) have bounced an unknown amount of customer mail. Does Exchange log bounced mail, and better yet, can I access those logs if I'm using Exchange via Office…
Dan
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Email won't send

2013-01-18 10:33:04 cwd=/home/USER/public_html/clients 3 args: /usr/sbin/sendmail -t -i 2013-01-18 10:33:04 1TwDwG-00023y-Ks <= USER@host.mydomain.com U=USER P=local S=3993 id=3e7cefe5079a84f36d64c08f99900d95@mydomain.com T="[Ticket ID: 787676]…
Nikki Wilson
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How to avoid email content filtering

I have an online tool that works via email. Some emails are not getting through and I discovered the "550 5.7.1" Message Rejected due to content restrictions error. Things I've discovered that can cause messages to be flagged as suspect…
Dave Hilditch
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