# Cross-domain for marketing "services" Mautic servers/services

**URL:** <https://forum.mautic.org/t/cross-domain-for-marketing-services-mautic-servers-services/15106>\
**Category:** General Discussion\
**Created:** [July 7, 2020, 12:45pm UTC](https://forum.mautic.org/t/cross-domain-for-marketing-services-mautic-servers-services/15106 "2020-07-07T12:45:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![django](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/django/32/1148_2.png) [@django](https://forum.mautic.org/u/django)\
**Post date:** [July 7, 2020, 12:45pm UTC](https://forum.mautic.org/t/cross-domain-for-marketing-services-mautic-servers-services/15106/1 "2020-07-07T12:45:11Z")

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When configuring network infra for Mautic, WordPrress, etc. for a business venture is there any problems technical or otherwise with using a differnt domain (e.g. the form POST action) is in a different domain than the main website?

Is it generally better to use a subdomain of said domain?

ditto port numbers - is there any problems of running M3 sites on ports other than 80 (I thinking primarily about HTML form processing here)…

Thanks.