All Questions
5
questions with no upvoted or accepted answers
1
vote
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answers
514
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How to use DNS alias as sender address for sendmail
I have the following setup:
My Ubuntu (14.04) server gets a host name from DHCP (real.host.de) and there is a DNS alias (alias.host.de) that points to this host name.
Now I want to configure ...
1
vote
0
answers
1k
views
Sendmail local domain relay
Sendmail on webserver.mydomain.com is sending all emails properly except email addressed to [email protected].
mydomain.com's mail is not handled locally and mx records are configured to point to ...
0
votes
0
answers
26
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Postfix delivers messages locally despite configuration for discovering external agent
A small node operates several web applications attached to a domain.
The same domain is used for mailboxes, hosted off site by a commercial service.
On the name server operated by the registrar, A, ...
0
votes
0
answers
144
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Change mail from header in sendmail
We have two separate RTs (request trackers) configured on one server. They both are configured to send the emails through sendmail. We are trying to configure now SPF and DMARC records for these DNS ...
0
votes
0
answers
72
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hostname -f shows reverse DNS twice
On a Debian 4.7.2-5, I got some problems sending mail correctly with sendmail. It appears that ELHO sender is different from domain name.
When I ask machine for its hostname FQDN :
hostname -f
I got ...