[SIP Beyond VoIP] personal email and sip setup with custom domain

sipthor at xplct.org sipthor at xplct.org
Tue Jul 15 14:36:55 CEST 2025


Hi,

I have created a free personal SIP2SIP and SIPThor Net account and 
looked around AG Projects websites and services a bit. Very impressive! 
And based in the Netherlands, like myself...

My current setup:

  * Namecheap -hosted custom domain (mydomain.org)
      o setup to direct all email traffic to Forward Email
          + Forward Email: email traffic to email aliases
            (contact.or.company at mydomain.org) delivered to a main email
            alias through a catch-all (wildcard) email alias
            (*@mydomain.org)
          + Thunderbird: email account to receive emails from email aliases
          + Thunderbird: email dentities to send emails to email aliases

Intended setup:

  * Namecheap -hosted custom domain (mydomain.org)
      o setup to direct all email traffic to Forward Email
          + Forward Email: email traffic to email aliases delivered to a
            main email alias through a catch-all (wildcard) email alias
            (*@mydomain.org)
          + Thunderbird: email account to receive emails from email aliases
          + Thunderbird: email dentities to send emails to email aliases
      o setup to *also* direct all SIP traffic to SIPThor Net
          + SIPThor NET: SIP traffic to SIP aliases
            (contact.or.company at mydomain.org) delivered to a main SIP
            alias through a catch-all (wildcard) SIP alias (*@mydomain.org)
          + baresip: SIP account to receive inbound calls/messages from
            SIP aliases
          + baresip: SIP account to make/send outbound calls/messages to
            SIP aliases

So, any contact or company would have a single alias at mydomain.org to use 
for both email and SIP.

*/N.B.: I did read, that a free SIPThor Net account allows only 5 SIP 
aliases, so I might have to settle for e.g. myname at mydomain.org and 
info at mydomain.org SIP aliases./*


According to 'https://docs.sipthor.net/w/sip2sip/domain_enrollment/' 
Namecheap can be setup to also direct all SIP traffic to SIPThor Net by:

      o A. DNS zone served by a third-party: */NO (namecheap does not
        seem to support NAPTR records)/*
      o B. DNS zone delegated to SIPThor Net: *OK*
      o C. DNS zone served by SIPThor Net: *OK*
          + /*How to setup SIPThor Net to:*/
              # /*direct all SIP traffic to a catch-all (wildcard) SIP
                alias (*@mydomain.org) or the 5 allowed SIP aliases*/
              # /*ensure that SIPThor Net will direct all email traffic
                to Forward Email correctly*/

Met vriendelijke groet, Kind regards
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