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Email2SMS - how do I configure plugin to accept FQDN email addresses instead of IP address


Q: Is it possible to change 123456789@ to

Q: What to do if I receive the error "mxrelay postfix/smtp: xxxxx said: 454 4.7.1 : Relay access denied (in reply to RCPT TO command)"?

Note: This setting is configurable via webUI since SW version 4.33+ in the plugin settings:

The below steps apply only to older SW versions:

Here are the steps for setting up your SMSEagle to accept FQDN addresses:

1. Configure domain
on your DNS server to point to SMSEagle device (both A, MX entries).
2. Login to your SMSEagle device with SSH as root
3. Edit file:

[for NXS or MHD device type:]


[for NPE device type:]


a) find line:

myhostname = localhost.localdomain

b) comment the line (add a # sign before it):

#myhostname = localhost.localdomain

c) add new line:

myhostname =

d) save file, exit from editor

4. Reload postfix configuration with:
[for NXS and MHD device type:]

service postfix reload

[for NPE device type:]

postfix reload
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