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Questions tagged spam

5 questions

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8
votes
3
answers

PermError SPF Permanent Error: Too many DNS lookup

email gmail spam sendgrid spf
asked 2013-03-27T05:41:31.163
10
votes
2
answers

Why should I convince developers to use port 587 for all SMTP communication?

smtp exchange-server spam pop3 rfc
asked 2010-08-14T20:19:31.290
50
votes
18
answers

Blocking comment spam without using captcha

php captcha spam
asked 2009-10-16T13:00:00.180
55
votes
11
answers

how to check if a string looks randomized, or human generated and pronouncable?

mysql algorithm nlp spam phonetics
asked 2009-07-22T09:48:14.940
216
votes
0
answers

Effective method to hide email from spam bots

html algorithm email spam
asked 2009-01-27T12:25:54.857