diff --git a/mail-mta/postfix/Manifest b/mail-mta/postfix/Manifest
index d06675bc742b8..44fb5265876b4 100644
--- a/mail-mta/postfix/Manifest
+++ b/mail-mta/postfix/Manifest
@@ -1,7 +1,7 @@
 DIST postfix-3.10.0.tar.gz 5047589 BLAKE2B b1788cabe0e2013ae01f3f8b8d78e2a191e2d439ce7a60948216f36201096027c3b926e23494fe6ccaced715a2ef2640a3420965ce94ada1fe5a7a1c65ac3022 SHA512 dbb492ce7747c196ca99a345bcafe7f0d905f80e38ecf680ab8976d3391a1eb1c80e4b0fec487947ed793a3163e39a9fcd34dc6f172dee7cac4c11a1ef76275e
 DIST postfix-3.10.1.tar.gz 5047708 BLAKE2B ff2ff4a6fc61eb7f513124abc7a03f69b4c195967816a28a4708fbe7256e78959d499941747ef2fea7999bd2754e2e640e98e247a7870449cffb66ebf30ffee9 SHA512 f977668a3475493c679884fb06e7b6aee33e082b2a828e63e1f67515907ded7b406468d2bb03685275b9cde50ac04c03415876119401d0ca45c5b28ca0277cfe
 DIST postfix-3.10.2.tar.gz 5048137 BLAKE2B b75fec52e837d43e0fa5d6ede3f44ccc62144133a2c433f536c566362b20a6a9b8a8cbf8e11f64d84fa751311cc9451158cda0edc212a0e45a9097530f41cea4 SHA512 722a29613beae57caacbda1180c7882bfdfe7b948fd64acecbe704b0dbcd1989c59b73adfa6c686a51ad9d4c7a51650b7287b185515de2eaa1a6355127ca634f
-DIST postfix-3.11-20250418.tar.gz 5060170 BLAKE2B 28e7932e48c6e274da77ed3567e2b05c13e14ad44c0bd7da12e631270ac7c425b01e727265857a8e82714225d9d9c276b4bb9c9ed06ca05d08189a9670145091 SHA512 8b2513d00f0c3402f481d390bc4f6776624f99bf3e68e68273b445efaf0d67b9403a5444b54077a0230e371a51d46fe13b7661ab6d8785c02a5ee8f911760930
+DIST postfix-3.11-20250606.tar.gz 5068951 BLAKE2B f490cdb3ab047f867fb45f769a3f39a5c2e315e96a262f09e8f09a04a7587489b087602300bc8b755cd66f1c1b6ab0a700aa6f1e6f308051369db723440aebb6 SHA512 cf24529c12af9c2c8e846f425ac52cb2a43e95c5dfe98cd34926c24308c49ae58b2f8dde6c16513b5df288861c7eed4d897c393e21865bfcccf18262e495456d
 DIST postfix-3.9.1.tar.gz 4953855 BLAKE2B 78be7bf0f0d9e46429b40f98ddc98cac442cfdb404d77073346c973f3d0d4c52f299fc7f5d64bddaaf2db60dd234c52790f1efe4995faee8e2cd10c6f8e2096f SHA512 79109d9f19e51d9089a0f2b5c6134972148a6e1a7e385aabc79c0a32e09c78715ad94a93ae3eca1171b770c62d6bf3b8e079b94183ae851001db1a0cf21fff15
 DIST postfix-3.9.2.tar.gz 4956185 BLAKE2B 539a09282e939a62de1f7aab4648a399872df744cb6e6ec4bd63c5281ada9c439c953e5da524d59dfe3c59debab8a6933046a6099efff2688dc1b3824edaa35d SHA512 14154077bd474283e522c427d9e45b3599be0c748c0bd2131309fcc506162e8522669a230c1a35bb467a5216d7e99c3d9685fc8f581232cd12e9337ea48d1981
 DIST postfix-3.9.3.tar.gz 4956314 BLAKE2B 01d69092483f3894a54489c7455a4a1a0125e13b3e7675316ce0a34a193004c488a123c473d243f6b3ca6e288807a7251d165d64f0e448e198ebee6422e97851 SHA512 7539d81296da6d7d569a1f7ad0cee413a87e0293f09b5fbcc7d4b847dfbfba02c106a4d6be87c7443831fee1d0d6cc7fa152133dd784e960865afc240fda1946
diff --git a/mail-mta/postfix/postfix-3.11_pre20250418.ebuild b/mail-mta/postfix/postfix-3.11_pre20250606.ebuild
similarity index 99%
rename from mail-mta/postfix/postfix-3.11_pre20250418.ebuild
rename to mail-mta/postfix/postfix-3.11_pre20250606.ebuild
index 32a53e98dd5cf..2126e2b83fb48 100644
--- a/mail-mta/postfix/postfix-3.11_pre20250418.ebuild
+++ b/mail-mta/postfix/postfix-3.11_pre20250606.ebuild
@@ -16,7 +16,7 @@ S="${WORKDIR}/${MY_SRC}"
 
 LICENSE="|| ( IBM EPL-2.0 )"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
 
 IUSE="+berkdb cdb dovecot-sasl +eai ldap ldap-bind lmdb mbox memcached mongodb mysql nis pam postgres sasl selinux sqlite ssl tlsrpt"