Swift_Bug34Test testEmbeddedFilesWithMultipartDataCreateMultipartRelatedContentAsAnAlternative Pattern [~^Sender: Other <other@domain.tld> Message-ID: <1793744575.6aea5ebfca829@alvowebd.webd.pro> Date: Wed, 04 Nov 2026 09\:22\:55 \+1100 Subject: test subject From: Other <other@domain.tld> To: User <user@domain.tld> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="_=_swift_v4_17937445756aea5ebfcab53_=_" --_=_swift_v4_17937445756aea5ebfcab53_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_17937445756aea5ebfcab53_=_ Content-Type: multipart/related; boundary="(.*?)" --\1 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <img.*?/> --\1 Content-Type: image/gif; name=image.gif Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=image.gif Content-ID: <1793744575.6aea5ebfcad72@alvowebd.webd.pro> PGltYWdlIGRhdGE\+ --\1-- --_=_swift_v4_17937445756aea5ebfcab53_=_-- $~D] detected at character [0] in [String: Sender: Other <other@domain.tld> Message-ID: <1793744575.6aea5ebfca829@alvowebd.webd.pro> Date: Wed, 04 Nov 2026 09:22:55 +1100 Subject: test subject From: Other <other@domain.tld> To: User <user...] as [Sender: Other <other@domain.tld> Message-ID: <1793744575.6aea5ebfca829@alvowebd.webd.pro> Date: Wed, 04 Nov 2026 09:22:55 +1100 Subject: test subject From: Other <other@domain.tld> To: User <user@domain.tld> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="_=_swift_v4_17937445756aea5ebfcab53_=_" --_=_swift_v4_17937445756aea5ebfcab53_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_17937445756aea5ebfcab53_=_ Content-Type: multipart/related; boundary="_=_swift_v4_17937445756aea5ebfcb272_=_" --_=_swift_v4_17937445756aea5ebfcb272_=_ Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <img src=3D"cid:1793744575.6aea5ebfcad72@alvowebd.webd.pro" /> --_=_swift_v4_17937445756aea5ebfcb272_=_ Content-Type: image/gif; name=image.gif Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=image.gif Content-ID: <1793744575.6aea5ebfcad72@alvowebd.webd.pro> PGltYWdlIGRhdGE+ --_=_swift_v4_17937445756aea5ebfcb272_=_-- --_=_swift_v4_17937445756aea5ebfcab53_=_-- ] in region [Sender: Other <other@domain.tld> Message-ID: <1793744575.6aea5ebfca829@alvowebd.webd.pro> Date: We...] at [/home/alvowebd/public_html/system2/plugins/SwiftPlugin/lib/SwiftMailer/tests/bug/Swift/Bug34Test.php line 76]