Questions tagged [mta]
The mta tag has no usage guidance.
25
questions
29
votes
4
answers
8k
views
Is there an email address equivalent of “/dev/null?”
I'm searching for an equivalent of a sinkhole email address. Essentially, I need a discard mechanism similar to /dev/null or the non-routed range 240.0.0.0/4.
Options like null@, devnull@, or none@ ...
- 401
-1
votes
2
answers
629
views
Use alternative ports for MTA e-mail exchange
As an MTA, is it reasonable and does not it violate RFCs to connect to MX servers on ports other than tcp/25 (SMTP) for e-mail exchange?
Traditionally e-mail exchange goes on tcp/25, but ISPs block it ...
- 142
1
vote
1
answer
202
views
Chosing a mail service on Debian, for a specific use
I am trying to setup a mail service on a local Debian Buster/Sid.
This mail service should take input mails and direct them to these locations :
- if mail is for "myownlocaldomain", it must be ...
- 11
1
vote
1
answer
668
views
Changing the numbers in "[#number]" format in an MTA file so they are sequential
I have a very long MTA file for scripting MP3 tag changes.
I've edited the file numerous times in Notepad++ and this has caused the numbers for each particular action to go out of sync.
How could I ...
- 13
1
vote
1
answer
392
views
Forcing TLS on incoming MTA connections
I've seen this question of a user that cannot receive emails over port 25.
Is there a way to force/redirect external MTA connections to use TLS port 587 instead of port 25?
- 50
0
votes
1
answer
713
views
How to replay or manually send an email through my MTA
I have a dynamic email analysis engine (a glorified MTA) that detects malicious content. I recently had an email get through without being detected. We (meaning out vendor) made some adjustments to ...
- 103
11
votes
2
answers
6k
views
msmtp vs msmtp-mta package, which one to choose?
when installing msmtp under Debian/Ubuntu, which package should I choose, msmtp or msmtp-mta? what's the differences between them?
All the help articles I read install msmtp only, but isn't msmtp-...
- 8,851
0
votes
0
answers
73
views
Is it possible to install Citadel on Fedora server 24?
I would like to try to install Citadel on Fedora 24. Is there a way to do this? I looked at Citadel's website and I could find instructions on how to install it on Fedora 23. Is there a way to build ...
- 163
0
votes
1
answer
1k
views
how can I view the Delivery status notification in sendmail?
I'm using a script to send newsletters via sendmail so, I want to access to Delivery status notification in case the mail failed, is there a command to list the content of DSN?
- 1
1
vote
0
answers
27
views
Is it possible to tell Postfix to keep full emails for (e.g.) a week after they are sent?
Our mail server was recently blacklisted because a web server was infected with a spamming virus. We discovered and blocked the guilty sender only after we started inspecting the message bodies of ...
- 5,836
1
vote
0
answers
2k
views
Postfix - SMTP mail delivery failed with "Connection timed out" error
I have installed postfix mail server in ubuntu machine. I am facing some issues with the mail sending to other domain mail servers (Google, Yahoo, Outlook...). I am using virtual domain to send the ...
- 129
0
votes
2
answers
475
views
Sending mails and narrowing what script does it
I'm using a very old Ubuntu server that was some time ago a mail server which was infected. Sadly there is a running web page on that server. Some script/page/malware is trying to send a lot of spam - ...
- 135
0
votes
1
answer
117
views
Postfix corrupting Japanese characters
I'm having a problem with certain Japanese characters being corrupted when sent by my MTA, Postfix.
I've done some trial and error sending the same message from approx 7 different servers running ...
- 503
1
vote
1
answer
4k
views
XAMPP: Mercury (Mail Transfer Agent) not working
Here is my setup:
I have installed XAMPP as Administrator and am running it as Administrator.
I have an entry in my Windows 7 hosts file listing "127.0.0.1 rainbow.com"
as the fictitious domain which ...
- 3,666
0
votes
1
answer
2k
views
maildrop/postfix with multiple mydestination locations and virtual users
My mail server hosts email for two different domains which it responds to as physical domains and also handles several virtual emails. Yes, this is insane, but postfix lets me do this.
Recently, I ...
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