=20 is an ASCII space character, and =3D is an ascii "=" (equal) sign.
I've seen various emailed documents that mangle them as you see, but if I
ever knew the cause, my tired old brain no longer remembers.
Fred
On Thu, Jan 19, 2023 at 2:42 PM Bill Gee <bgee at campercaver.net> wrote:
> Now that I have a test CentOS9 system set up, I am trying to get it to
> send me logwatch reports via email. S-nail is proving very frustrating.
> It almost works ... But not quite!
>
> The main problem is bogus characters in the logwatch report. Here is a
> section of the report I get through email:
>
>
> =================> =20
> ################### Logwatch 7.5.5 (01/22/21) ####################=20
> Processing Initiated: Thu Jan 19 13:31:57 2023
> Date Range Processed: yesterday
> ( 2023-Jan-18 )
> Period is day.
> Detail Level of Output: 5
> Type of Output/Format: email / text
> Logfiles for Host: centos7.billgee.local
> ##################################################################=20
> =20
> --------------------- Kernel Audit Begin ------------------------=20
>
> Number of audit daemon starts: 1=20
> =20
> **Unmatched Entries**
> audit: type=3D1403 audit(1674073255.247:3): auid=3D4294967295
> ses=3D429> 4967295 lsm=3Dselinux res=3D1: 1 Time(s)
> auditd[517]: audit dispatcher initialized with q_depth=3D1200 and 1
> act> ive plugins: 1 Time(s)
> =20
> ---------------------- Kernel Audit End -------------------------=20
>
> =20
> --------------------- Chrony report Begin ------------------------=20
>
> MS Name/IP address Stratum Poll Reach LastRx Last sample
> > =20
>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>
>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>
>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>
=3D=3D=3D=3D=3D
> ^* server3.17.168.192.IN-AD> 4 6 377 42 -16us[ -23us] ?
9> 716us
> Name/IP Address NP NR Span Frequency Freq Skew Offset
> Std> Dev
> ===============================>
> What are all those =20 and =30 strings for? How do I make them go away?
>
> I have been experimenting with a line in /etc/s-nail.rc.
>
> set ttycharset=utf-8
>
> That is the only value for this that produces anything useful. If I set
> it to charset-7bit or charset-8bit, then s-nail complains about invalid
> syntax on the "set mta=" line. What????
>
> I just don't get it. Can someone shed some light on this?
>
> For what it is worth, a test CentOS8 system using mailx (the REAL
> mailx!) works perfectly. So do all of my CentOS7 and Fedora systems.
>
> --
> ==============> Bill Gee
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