MSA / Mail Submission Agent (sendmail)

Hello,

could someone please give me plain straightforward answer or point me to URI
where I can find out what is that MSA or Mail Submission Agent all about.

I've been seeking net for quite some time now and I still don't have any clue
what it actually does besides binding to port 587 (I am speaking of sendmail
ofcourse).

Thank you.

--
Best regards,

Bostjan Skufca
system administrator

Domenca d.o.o.
Phone: +386 4 5835444
Fax: +386 4 5831999
http://www.domenca.com

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Re: MSA / Mail Submission Agent (sendmail)

Bostjan Skufca (at) domenca.com wrote:

> could someone please give me plain straightforward answer or point me to URI
> where I can find out what is that MSA or Mail Submission Agent all about.

ftp://ftp.rfc-editor.org/in-notes/rfc2476.txt

> I've been seeking net for quite some time now and I still don't have any clue
> what it actually does besides binding to port 587 (I am speaking of sendmail
> ofcourse).

So far as sendmail is concerned, it's basically just a second port on
which to accept connections. However, you can specify different
DaemonPortOptions settings for each port. The default setup adds M=E
(which disables ETRN) for the MSA.

You can disable the MSA using FEATURE(no_default_msa).

--
Glynn Clements
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