# Unable to connect with POSTAL SMTP server **URL:** \ **Category:** Product Support\ **Created:** [June 8, 2021, 4:58pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788 "2021-06-08T16:58:00Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![lunatic78](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/lunatic78/32/666_2.png) [@lunatic78](https://forum.mautic.org/u/lunatic78)\ **Post date:** [June 8, 2021, 4:58pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/1 "2021-06-08T16:58:00Z")
**Your software** My Mautic version is: 3.3 My PHP version is: PHP Version 7.3.28-1+ubuntu20.04.1+deb.sury.org+1 My Database type and version is: mysqlnd 5.0.12-dev - 20150407 **Your problem** My problem is: Unable to connect POSTAL smtp server. I have used all credentials but Mautic throwing an error. These errors are showing in the log: Connection could not be established with host [mail.smtpmailservice.net](http://mail.smtpmailservice.net) :stream\_socket\_client(): unable to connect to [mail.mymailsrever.net:2525](http://mail.mymailsrever.net:2525) (Connection refused) Log data: ++ Starting Swift\_SmtpTransport !! Connection could not be established with host [mail.smtpmailservice.net](http://mail.smtpmailservice.net) :stream\_socket\_client(): unable to connect to [mail.mymailserver.net:2525](http://mail.mymailserver.net:2525) (Connection refused) (code: 0) ++ Starting Swift\_SmtpTransport !! Connection could not be established with host [mail.mymailserver.net](http://mail.mymailserver.net) :stream\_socket\_client(): unable to connect to [mail.mymailserver.net:2525](http://mail.mymailserver.net:2525) (Connection refused) (code: 0) Steps I have tried to fix the problem: Enter all credentials but face the same issue. In my mail server, I have open port 25, 2525 only. ---
**Author:** ![EJL](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ejl/32/12155_2.png) [@EJL](https://forum.mautic.org/u/EJL)\ **Post date:** [June 9, 2021, 4:16pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/2 "2021-06-09T16:16:02Z")
> [@lunatic78](#): > > unable to connect to [mail.mymailserver.net:2525](http://mail.mymailserver.net:2525) (Connection refused) (code: 0) This indicates a port issue, an encryption protocol issue or a credential issue. ---
**Author:** ![lunatic78](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/lunatic78/32/666_2.png) [@lunatic78](https://forum.mautic.org/u/lunatic78)\ **Post date:** [June 11, 2021, 4:11pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/3 "2021-06-11T16:11:37Z")
I have used same credentials on another hosting ([ifastnet.com](http://ifastnet.com)) space where I install mautic 3.3 and it was connected successfully. But, there is another issue which is: When I am trying to import contacts, It is not importing any contacts in contact list. I tried several time but failed. No contacts inserted on the list and when I am checking the import history, it is showing “Queued”. ---
**Author:** ![EJL](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ejl/32/12155_2.png) [@EJL](https://forum.mautic.org/u/EJL)\ **Post date:** [June 11, 2021, 4:34pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/4 "2021-06-11T16:34:31Z")
Run the mautic:import command ---
**Author:** ![lunatic78](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/lunatic78/32/666_2.png) [@lunatic78](https://forum.mautic.org/u/lunatic78)\ **Post date:** [June 11, 2021, 4:36pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/5 "2021-06-11T16:36:55Z")
I have added this command on cron job ---
**Author:** ![lunatic78](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/lunatic78/32/666_2.png) [@lunatic78](https://forum.mautic.org/u/lunatic78)\ **Post date:** [June 13, 2021, 6:59pm UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/6 "2021-06-13T18:59:02Z")
Can you tell me, in which table this contacts being stored or which file play the role to store data in database? ---
**Author:** ![EJL](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ejl/32/12155_2.png) [@EJL](https://forum.mautic.org/u/EJL)\ **Post date:** [June 18, 2021, 10:21am UTC](https://forum.mautic.org/t/unable-to-connect-with-postal-smtp-server/19788/7 "2021-06-18T10:21:42Z")
In the leads table of database