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updated qmail-smtpd man page
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mbhangui committed Nov 3, 2023
1 parent a1378ca commit d828202
Showing 1 changed file with 12 additions and 11 deletions.
23 changes: 12 additions & 11 deletions indimail-mta-x/qmail-smtpd.9
Original file line number Diff line number Diff line change
@@ -488,18 +488,19 @@ for addresses in \fIauthdomains\fR.
Unacceptable HELO/EHLO greeting strings. \fBqmail-smtpd\fR will reject
every connection attempt if the client MTA's HELO/EHLO greeting compares
with a REGEX pattern provided in \fIbadhelo\fR. To enable badhelo check,
define the environment variable BADHELOCHECK or set the environment
variable BADHELO to a control file containing unacceptable HELO/EHLO
define the environment variable \fBBADHELOCHECK\fR or set the environment
variable \fBBADHELO\fR to a control file containing unacceptable HELO/EHLO
greetings strings. When badhelocheck is enabled, \fBqmail-smtpd\fR will
reject email sent using HELO hostname equal to your IP address, your
hostname or any hostname without dots. if ENFORCE_FQDN_HELO is set
\fBqmail-smtpd\fR will reject emails from hosts which pass HELO hostname
without dots. A line in \fIbadhelo\fR may be of the form \fB@\fIhost\fR\fR,
meaning every address at \fIhost\fR. \fIbadhelo\fR can also be in cdb
format. if \fIbadhelo\fR.\fIcdb\fR file is present, it will be searched
first, \fIbadhelo\fR.\fIcdb\fR can be built using \fBqmail\fR-\fBcdb\fR(8).
The filename can be overriden by the environment variable \fBBADHELO\fR.
You can set QREGEX environment variable if you want to use regex patterns
reject email sent using HELO hostname equal to your IP address, or hostname
without dns records. You can put an entry in \fBnodnscheck\fR control file
to bypass dnscheck. If \fBENFORCE_FQDN_HELO\fR is set \fBqmail-smtpd\fR
will reject emails from hosts which pass HELO hostname without dots. A line
in \fIbadhelo\fR may be of the form \fB@\fIhost\fR\fR, meaning every
address at \fIhost\fR. \fIbadhelo\fR can also be in cdb format. if
\fIbadhelo\fR.\fIcdb\fR file is present, it will be searched first,
\fIbadhelo\fR.\fIcdb\fR can be built using \fBqmail\fR-\fBcdb\fR(8). The
filename can be overriden by the environment variable \fBBADHELO\fR. You
can set \fBQREGEX\fR environment variable if you want to use regex patterns
for addresses in \fIbadhelo\fR.

.TP 5

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