Self hosting mail server: external incoming/outgoing email problems

Good day!

After setting up our own mail server, external emails doesn't come and emails and nor going out.

Mail server was previously hosted by OVH. Any help is much appreciated. Thanks.

; ; BIND data file for local loopback interface ; $TTL 604800 @ IN SOA mango.tkangz.sa. admin.tkangz.sa. ( 2025101405 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL

@ IN NS mango.tkangz.sa. @ IN NS ns.tkangz.sa.

; ----- Serveurs de noms ----- mango IN A 10X.XXX.243.111 ns IN A 10X.XXX.243.112

; ----- Web OVH ------ @ IN A 87.98.154.146 www IN CNAME @

; ----- Email sur Google ----- ;@ IN MX 1 smtp.google.com.

@ IN MX 1 ASPMX.L.GOOGLE.COM. @ IN MX 5 ALT1.ASPMX.L.GOOGLE.COM. @ IN MX 5 ALT2.ASPMX.L.GOOGLE.COM. @ IN MX 10 ALT3.ASPMX.L.GOOGLE.COM. @ IN MX 10 ALT4.ASPMX.L.GOOGLE.COM.

_sophie.tkangz.sa. IN TXT "v=SOPHIE1; p=none; rua=mailto:[email protected]" @ IN TXT "v=spf1 include:_spf.google.com ip4:10X.XXX.243.111 ~all"

google._domainkey IN TXT ()

; ----- Service internes ----- pmb IN A 10X.XXX.243.38 gpa IN A 10X.XXX.243.36

; ------ Sous domaine demandés par les partenaires ----- dspace IN A 52.92.8.10

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