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13 lines
416 B
13 lines
416 B
diff --git a/mailutils/sendmail.c b/mailutils/sendmail.c
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index 8ddb782..b542099 100644
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--- a/mailutils/sendmail.c
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+++ b/mailutils/sendmail.c
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@@ -150,7 +150,7 @@ static char *sane_address(char *str)
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trim(str);
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s = str;
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while (*s) {
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- if (!isalnum(*s) && !strchr("_-.@", *s)) {
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+ if (!isalnum(*s) && !strchr("+_-.@", *s)) {
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bb_error_msg("bad address '%s'", str);
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/* returning "": */
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str[0] = '\0';
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