New test set

This test set is designed to replace and extend the coverage of the original set but with fewer tests.

Thanks to Michael Rushton (michael@squiloople.com) for starting this work and contributing tests 1-100
ISEMAIL_ERR ISEMAIL_ERR_NODOMAIN Michael Rushton https://squiloople.com/tag/email/
test
ISEMAIL_ERR ISEMAIL_ERR_NODOMAIN Michael Rushton https://squiloople.com/tag/email/
@
ISEMAIL_ERR ISEMAIL_ERR_NOLOCALPART Michael Rushton https://squiloople.com/tag/email/
test@
ISEMAIL_ERR ISEMAIL_ERR_NODOMAIN Michael Rushton https://squiloople.com/tag/email/
test@io
io. currently has an MX-record (Feb 2011). Some DNS setups seem to find it, some don't. If you don't see the MX for io. then try setting your DNS server to 8.8.8.8 (the Google DNS server) ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
@io
io. currently has an MX-record (Feb 2011) ISEMAIL_ERR ISEMAIL_ERR_NOLOCALPART Michael Rushton https://squiloople.com/tag/email/
@iana.org
ISEMAIL_ERR ISEMAIL_ERR_NOLOCALPART Michael Rushton https://squiloople.com/tag/email/
test@iana.org
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@nominet.org.uk
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@about.museum
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
a@iana.org
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@e.com
ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Michael Rushton https://squiloople.com/tag/email/
test@iana.a
ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Michael Rushton https://squiloople.com/tag/email/
test.test@iana.org
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
.test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_DOT_START Michael Rushton https://squiloople.com/tag/email/
test.@iana.org
ISEMAIL_ERR ISEMAIL_ERR_DOT_END Michael Rushton https://squiloople.com/tag/email/
test..iana.org
ISEMAIL_ERR ISEMAIL_ERR_CONSECUTIVEDOTS Michael Rushton https://squiloople.com/tag/email/
test_exa-mple.com
ISEMAIL_ERR ISEMAIL_ERR_NODOMAIN Michael Rushton https://squiloople.com/tag/email/
!#$%&`*+/=?^`{|}~@iana.org
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test\@test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
123@iana.org
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@123.com
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@iana.123
ISEMAIL_RFC5321 ISEMAIL_RFC5321_TLDNUMERIC Michael Rushton https://squiloople.com/tag/email/
test@255.255.255.255
ISEMAIL_RFC5321 ISEMAIL_RFC5321_TLDNUMERIC Michael Rushton https://squiloople.com/tag/email/
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghiklm@iana.org
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghiklmn@iana.org
ISEMAIL_RFC5322 ISEMAIL_RFC5322_LOCAL_TOOLONG Michael Rushton https://squiloople.com/tag/email/
test@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.com
ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Michael Rushton https://squiloople.com/tag/email/
test@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghiklm.com
ISEMAIL_RFC5322 ISEMAIL_RFC5322_LABEL_TOOLONG Michael Rushton https://squiloople.com/tag/email/
test@mason-dixon.com
ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@-iana.org
ISEMAIL_ERR ISEMAIL_ERR_DOMAINHYPHENSTART Michael Rushton https://squiloople.com/tag/email/
test@iana-.com
ISEMAIL_ERR ISEMAIL_ERR_DOMAINHYPHENEND Michael Rushton https://squiloople.com/tag/email/
test@c--n.com
c--n.com currently has an MX-record (May 2011) ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
test@iana.co-uk
ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Michael Rushton https://squiloople.com/tag/email/
test@.iana.org
ISEMAIL_ERR ISEMAIL_ERR_DOT_START Michael Rushton https://squiloople.com/tag/email/
test@iana.org.
ISEMAIL_ERR ISEMAIL_ERR_DOT_END Michael Rushton https://squiloople.com/tag/email/
test@iana..com
ISEMAIL_ERR ISEMAIL_ERR_CONSECUTIVEDOTS Michael Rushton https://squiloople.com/tag/email/
a@a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v
ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Michael Rushton https://squiloople.com/tag/email/
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghiklm@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghi
ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Michael Rushton https://squiloople.com/tag/email/
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghiklm@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghij
ISEMAIL_RFC5322 ISEMAIL_RFC5322_TOOLONG Michael Rushton https://squiloople.com/tag/email/
a@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefg.hij
ISEMAIL_RFC5322 ISEMAIL_RFC5322_TOOLONG Michael Rushton https://squiloople.com/tag/email/
a@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefg.hijk
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAIN_TOOLONG Michael Rushton https://squiloople.com/tag/email/
"test"@iana.org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_QUOTEDSTRING Michael Rushton https://squiloople.com/tag/email/
""@iana.org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_QUOTEDSTRING Michael Rushton https://squiloople.com/tag/email/
"""@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
"\a"@iana.org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_QUOTEDSTRING Michael Rushton https://squiloople.com/tag/email/
"\""@iana.org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_QUOTEDSTRING Michael Rushton https://squiloople.com/tag/email/
"\"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDQUOTEDSTR Michael Rushton https://squiloople.com/tag/email/
"\\"@iana.org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_QUOTEDSTRING Michael Rushton https://squiloople.com/tag/email/
test"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
"test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDQUOTEDSTR Michael Rushton https://squiloople.com/tag/email/
"test"test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_ATEXT_AFTER_QS Michael Rushton https://squiloople.com/tag/email/
test"text"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
"test""test"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
"test"."test"@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_LOCALPART Michael Rushton https://squiloople.com/tag/email/
"test\ test"@iana.org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_QUOTEDSTRING Michael Rushton https://squiloople.com/tag/email/
"test".test@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_LOCALPART Michael Rushton https://squiloople.com/tag/email/
"test␀"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_QTEXT Michael Rushton https://squiloople.com/tag/email/
"test\␀"@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_QP Michael Rushton https://squiloople.com/tag/email/
"abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghj"@iana.org
Quotes are still part of the length restriction ISEMAIL_RFC5322 ISEMAIL_RFC5322_LOCAL_TOOLONG Dominic Sayers https://isemail.info
"abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefg\h"@iana.org
Quoted pair is still part of the length restriction ISEMAIL_RFC5322 ISEMAIL_RFC5322_LOCAL_TOOLONG Dominic Sayers https://isemail.info
test@[255.255.255.255]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@a[255.255.255.255]
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
test@[255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[255.255.255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[255.255.255.256]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[1111:2222:3333:4444:5555:6666:7777:8888]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666:7777]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_GRPCOUNT Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666:7777:8888]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666:7777:8888:9999]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_GRPCOUNT Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666:7777:888G]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_BADCHAR Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666::8888]
ISEMAIL_DEPREC ISEMAIL_RFC5321_IPV6DEPRECATED Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555::8888]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666::7777:8888]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_MAXGRPS Michael Rushton https://squiloople.com/tag/email/
test@[IPv6::3333:4444:5555:6666:7777:8888]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_COLONSTRT Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:::3333:4444:5555:6666:7777:8888]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111::4444:5555::8888]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_2X2XCOLON Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:::]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:255.255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_GRPCOUNT Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666:255.255.255.255]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666:7777:255.255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_GRPCOUNT Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444::255.255.255.255]
ISEMAIL_RFC5321 ISEMAIL_RFC5321_ADDRESSLITERAL Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:5555:6666::255.255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_MAXGRPS Michael Rushton https://squiloople.com/tag/email/
test@[IPv6:1111:2222:3333:4444:::255.255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_2X2XCOLON Michael Rushton https://squiloople.com/tag/email/
test@[IPv6::255.255.255.255]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_COLONSTRT Michael Rushton https://squiloople.com/tag/email/
test @iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_CFWS_NEAR_AT Michael Rushton https://squiloople.com/tag/email/
test@ iana .com
ISEMAIL_DEPREC ISEMAIL_DEPREC_CFWS_NEAR_AT Michael Rushton https://squiloople.com/tag/email/
test . test@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_FWS Michael Rushton https://squiloople.com/tag/email/
␍␊ test@iana.org
FWS ISEMAIL_CFWS ISEMAIL_CFWS_FWS Michael Rushton https://squiloople.com/tag/email/
␍␊ ␍␊ test@iana.org
FWS with one line composed entirely of WSP -- only allowed as obsolete FWS (someone might allow only non-obsolete FWS) ISEMAIL_DEPREC ISEMAIL_DEPREC_FWS Michael Rushton https://squiloople.com/tag/email/
(comment)test@iana.org
ISEMAIL_CFWS ISEMAIL_CFWS_COMMENT Michael Rushton https://squiloople.com/tag/email/
((comment)test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDCOMMENT Michael Rushton https://squiloople.com/tag/email/
(comment(comment))test@iana.org
ISEMAIL_CFWS ISEMAIL_CFWS_COMMENT Michael Rushton https://squiloople.com/tag/email/
test@(comment)iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_CFWS_NEAR_AT Michael Rushton https://squiloople.com/tag/email/
test(comment)test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_ATEXT_AFTER_CFWS Michael Rushton https://squiloople.com/tag/email/
test@(comment)[255.255.255.255]
ISEMAIL_DEPREC ISEMAIL_DEPREC_CFWS_NEAR_AT Michael Rushton https://squiloople.com/tag/email/
(comment)abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghiklm@iana.org
ISEMAIL_CFWS ISEMAIL_CFWS_COMMENT Michael Rushton https://squiloople.com/tag/email/
test@(comment)abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghikl.com
ISEMAIL_DEPREC ISEMAIL_DEPREC_CFWS_NEAR_AT Michael Rushton https://squiloople.com/tag/email/
(comment)test@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghik.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghik.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.abcdefghijklmnopqrstuvwxyzabcdefghijk.abcdefghijklmnopqrstu
ISEMAIL_CFWS ISEMAIL_CFWS_COMMENT Michael Rushton https://squiloople.com/tag/email/
test@iana.org␊
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
test@xn--hxajbheg2az3al.xn--jxalpdlp
A valid IDN from ICANN's IDN TLD evaluation gateway ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Michael Rushton https://squiloople.com/tag/email/
xn--test@iana.org
RFC 3490: "unless the email standards are revised to invite the use of IDNA for local parts, a domain label that holds the local part of an email address SHOULD NOT begin with the ACE prefix, and even if it does, it is to be interpreted literally as a local part that happens to begin with the ACE prefix" ISEMAIL_VALID_CATEGORY ISEMAIL_VALID Dominic Sayers https://isemail.info
test@iana.org-
ISEMAIL_ERR ISEMAIL_ERR_DOMAINHYPHENEND Dominic Sayers https://isemail.info
"test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDQUOTEDSTR Dominic Sayers https://isemail.info
(test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDCOMMENT Dominic Sayers https://isemail.info
test@(iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDCOMMENT Dominic Sayers https://isemail.info
test@[1.2.3.4
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDDOMLIT Dominic Sayers https://isemail.info
"test\"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDQUOTEDSTR Dominic Sayers https://isemail.info
(comment\)test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDCOMMENT Dominic Sayers https://isemail.info
test@iana.org(comment\)
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDCOMMENT Dominic Sayers https://isemail.info
test@iana.org(comment\
ISEMAIL_ERR ISEMAIL_ERR_BACKSLASHEND Dominic Sayers https://isemail.info
test@[RFC-5322-domain-literal]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Dominic Sayers https://isemail.info
test@[RFC-5322]-domain-literal]
ISEMAIL_ERR ISEMAIL_ERR_ATEXT_AFTER_DOMLIT Dominic Sayers https://isemail.info
test@[RFC-5322-[domain-literal]
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_DTEXT Dominic Sayers https://isemail.info
test@[RFC-5322-\␇-domain-literal]
obs-dtext and obs-qp ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMLIT_OBSDTEXT Dominic Sayers https://isemail.info
test@[RFC-5322-\␉-domain-literal]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMLIT_OBSDTEXT Dominic Sayers https://isemail.info
test@[RFC-5322-\]-domain-literal]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMLIT_OBSDTEXT Dominic Sayers https://isemail.info
test@[RFC-5322-domain-literal\]
ISEMAIL_ERR ISEMAIL_ERR_UNCLOSEDDOMLIT Dominic Sayers https://isemail.info
test@[RFC-5322-domain-literal\
ISEMAIL_ERR ISEMAIL_ERR_BACKSLASHEND Dominic Sayers https://isemail.info
test@[RFC 5322 domain literal]
Spaces are FWS in a domain literal ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Dominic Sayers https://isemail.info
test@[RFC-5322-domain-literal] (comment)
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAINLITERAL Dominic Sayers https://isemail.info
@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Dominic Sayers https://isemail.info
test@.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Dominic Sayers https://isemail.info
""@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_QTEXT Dominic Sayers https://isemail.info
"\"@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_QP Dominic Sayers https://isemail.info
()test@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_CTEXT Dominic Sayers https://isemail.info
test@iana.org␍
No LF after the CR ISEMAIL_ERR ISEMAIL_ERR_CR_NO_LF Dominic Sayers https://isemail.info
␍test@iana.org
No LF after the CR ISEMAIL_ERR ISEMAIL_ERR_CR_NO_LF Dominic Sayers https://isemail.info
"␍test"@iana.org
No LF after the CR ISEMAIL_ERR ISEMAIL_ERR_CR_NO_LF Dominic Sayers https://isemail.info
(␍)test@iana.org
No LF after the CR ISEMAIL_ERR ISEMAIL_ERR_CR_NO_LF Dominic Sayers https://isemail.info
test@iana.org(␍)
No LF after the CR ISEMAIL_ERR ISEMAIL_ERR_CR_NO_LF Dominic Sayers https://isemail.info
␊test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Michael Rushton https://squiloople.com/tag/email/
"␊"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_QTEXT Dominic Sayers https://isemail.info
"\␊"@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_QP Dominic Sayers https://isemail.info
(␊)test@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_CTEXT Dominic Sayers https://isemail.info
␇@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Dominic Sayers https://isemail.info
test@␇.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_ATEXT Dominic Sayers https://isemail.info
"␇"@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_QTEXT Dominic Sayers https://isemail.info
"\␇"@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_QP Dominic Sayers https://isemail.info
(␇)test@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_CTEXT Dominic Sayers https://isemail.info
␍␊test@iana.org
Not FWS because no actual white space ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
␍␊ ␍␊test@iana.org
Not obs-FWS because there must be white space on each "fold" ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
␍␊test@iana.org
Not FWS because no white space after the fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
␍␊ test@iana.org
FWS ISEMAIL_CFWS ISEMAIL_CFWS_FWS Dominic Sayers https://isemail.info
␍␊ ␍␊test@iana.org
Not FWS because no white space after the second fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
␍␊␍␊test@iana.org
Not FWS because no white space after either fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_X2 Dominic Sayers https://isemail.info
␍␊␍␊ test@iana.org
Not FWS because no white space after the first fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_X2 Dominic Sayers https://isemail.info
test@iana.org␍␊
FWS ISEMAIL_CFWS ISEMAIL_CFWS_FWS Dominic Sayers https://isemail.info
test@iana.org␍␊ ␍␊
FWS with one line composed entirely of WSP -- only allowed as obsolete FWS (someone might allow only non-obsolete FWS) ISEMAIL_DEPREC ISEMAIL_DEPREC_FWS Dominic Sayers https://isemail.info
test@iana.org␍␊
Not FWS because no actual white space ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
test@iana.org␍␊ ␍␊
Not obs-FWS because there must be white space on each "fold" ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
test@iana.org ␍␊
Not FWS because no white space after the fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
test@iana.org ␍␊
FWS ISEMAIL_CFWS ISEMAIL_CFWS_FWS Dominic Sayers https://isemail.info
test@iana.org ␍␊ ␍␊
Not FWS because no white space after the second fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_END Dominic Sayers https://isemail.info
test@iana.org ␍␊␍␊
Not FWS because no white space after either fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_X2 Dominic Sayers https://isemail.info
test@iana.org ␍␊␍␊
Not FWS because no white space after the first fold ISEMAIL_ERR ISEMAIL_ERR_FWS_CRLF_X2 Dominic Sayers https://isemail.info
test@iana.org
ISEMAIL_CFWS ISEMAIL_CFWS_FWS Dominic Sayers https://isemail.info
test@iana.org
ISEMAIL_CFWS ISEMAIL_CFWS_FWS Dominic Sayers https://isemail.info
test@[IPv6:1::2:]
ISEMAIL_RFC5322 ISEMAIL_RFC5322_IPV6_COLONEND Dominic Sayers https://isemail.info
"test\©"@iana.org
ISEMAIL_ERR ISEMAIL_ERR_EXPECTING_QPAIR Dominic Sayers https://isemail.info
test@iana/icann.org
ISEMAIL_RFC5322 ISEMAIL_RFC5322_DOMAIN Dominic Sayers https://isemail.info
test.(comment)test@iana.org
ISEMAIL_DEPREC ISEMAIL_DEPREC_COMMENT Dominic Sayers https://isemail.info
test@org
ISEMAIL_RFC5321 ISEMAIL_RFC5321_TLD Dominic Sayers https://isemail.info
test@test.com
test.com has an A-record but not an MX-record ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_MX_RECORD Dominic Sayers https://isemail.info
test@nic.no
nic.no currently has no MX-records or A-records (Feb 2011). If you are seeing an A-record for nic.io then try setting your DNS server to 8.8.8.8 (the Google DNS server) - your DNS server may be faking an A-record (OpenDNS does this, for instance). ISEMAIL_DNSWARN ISEMAIL_DNSWARN_NO_RECORD Dominic Sayers https://isemail.info